Ladra M, Silva PV. The generalized conjugacy problem for virtually free groups. Forum Math.. 2011;23:447-482.Edit

Moutinho-Pereira S., Stuurman N., Afonso O, Hornsveld M., Aguiar P, Goshima G., et al. Genes involved in centrosome-independent mitotic spindle assembly in Drosophila S2 cells. Proceedings of the National Academy of Sciences of the United States of America. 2013;110:19808-19813.Edit

Silva PV, Steinberg B. A geometric characterization of automatic monoids. Q. J. Math.. 2004;55:333-356.Edit

Silva PV, Steinberg B. A geometric characterization of automatic monoids. Q. J. Math.. 2004;55:333-356.Edit

Araújo V, Silva PV. Geometric characterizations of virtually free groups. J. Algebra Appl.. 2017;16(9):1750180.Edit

Silva PV. Groups and automata: a perfect match. J. Automata Lang. Combin.. 2012;17(2-4):277-292.

Leite A., Silva M., Rocha AP. Heart rate variability analysis in healthy subjects, patients suffering from congestive heart failure and heart transplanted patients. Motricidade. 2013;9:54-63.Edit

Silva MJ, Pinheiro R, Almeida R, Cunha F, Ribeiro A, Rocha AP, et al. Heart Rate Variability in Children Submitted to Surgery. Journal of Anesthesia & Clinical Research. 2016;7.Edit

Dias A., Dionne B., Stewart I.. Heteroclinic Cycles and Wreath Product Symmetries. Dynamics and Stability of Sytems. 2000;15:353-385.Edit

Pinto CM, Rocha D, Santos CP. Hexapod robots: new CPG model for generation of trajectories. JNAIAM. J. Numer. Anal. Ind. Appl. Math.. 2012;7:15-26.Edit

Stewart I., Dias A. Hilbert Series for Equivariant Mappings Restricted to Invariant Hyperplanes. Journal of Pure and Applied Algebra. 2000;151:89-106.Edit

Reina S, Silva C, Gaio A., Correia A., Duarte R. HIV screening in tuberculosis patients, in the Northern Region of Portugal. The International Journal of Tuberculosis and Lung Disease. 2015;19(12).Edit

Araújo V, Silva PV. Holder conditions for endomorphisms of hyperbolic groups. Comm. Algebra. 2016;44(10):4483-4503.Edit

Silva PV. The homomorphism problem for the free monoid. Discrete Math.. 2002;259:189-200.

Silva PV. The homomorphism problem for trace monoids. Theoret. Comput. Sci.. 2003;307:199-215.

Silva PV, Soares F. Howson’s property for semidirect products of semilattices by groups. Comm. Algebra. 2016;44(6):2482-2494.Edit

Silva PV, Soares F. Howson’s property for semidirect products of semilattices by groups. Comm. Algebra. 2016;44(6):2482-2494.Edit

Almeida J, Silva PV. On the hyperdecidability of semidirect products of pseudovarieties. Comm. Algebra. 1998;26:4065-4077.Edit

Rito C, Sanchez MM. Hyperelliptic surfaces with $K^2 < 4\chi - 6$. Osaka Journal of Mathematics. 2015;52(4):929-947.Edit

Caiani EG, Pellegrini A, Bolea J, Sotaquira M, Almeida R, Vaida P. Impaired T-wave amplitude adaptation to heart-rate induced by cardiac deconditioning after 5-days of head-down bed-rest. Acta Astronautica. 2013;91:166-172.Edit

Severo M., Gaio A., Lourenço P., Alvelos M., Bettencourt P., Azevedo A. Indirect calibration between clinical observers - Application to the New York Heart Association functional classification system. BMC Research Notes. 2011;4.Edit

Cassaigne J, Silva PV. Infinite periodic points of endomorphisms over special confluent rewriting systems. Ann. Inst. Fourier (Grenoble). 2009;59:769-810.Edit

Cassaigne J, Silva PV. Infinite words and confluent rewriting systems: endomorphism extensions. Internat. J. Algebra Comput.. 2009;19:443-490.Edit

Guedes-Martins L, Saraiva J, Gaio A., Macedo F, Almeida H.. Internal iliac and uterine arteries Doppler ultrasound in the assessment of normotensive and chronic hypertensive pregnant women. Scientific Reports. 2014;4(3785).Edit

Dias A., Stewart I.. Invariant Theory for Wreath Product Groups. Journal of Pure and Applied Algebra. 2000;150:61-84.Edit