Petrich M, Silva PV. Relatively free $^\ast$-bands. Beiträge Algebra Geom.. 2000;41:569-588.Edit

Petrich M, Silva PV. Relatively free bands. Comm. Algebra. 2000;28:2615-2631.Edit

Almeida J, Steinberg B. Syntactic and global semigroup theory: a synthesis approach. In: Algorithmic problems in groups and semigroups (Lincoln, NE, 1998). Birkhäuser Boston, Boston, MA; 2000. 1. p. 1-23p. (Trends Math.).Edit

Stewart I., Dias A.. Toric Geometry and Equivariant Bifurcations. Physica D. 2000;143:235-261.Edit

Silva PV. On unique factorization semilattices. Discuss. Math. Gen. Algebra Appl.. 2000;20:97-120.

Petrich M., Silva PV. On directly infinite rings. Acta Math. Hungar.. 1999;85:153-165.Edit

Petrich M, Silva PV. On presentations of semigroup rings. Boll. Unione Mat. Ital. Sez. B Artic. Ric. Mat. (8). 1999;2:127-142.Edit

Petrich M, Silva PV. On quasi directly infinite rings. Acta Sci. Math. (Szeged). 1999;65:61-75.Edit

Dias A., Stewart I.. Symmetry-breaking Bifurcations of Wreath Product Systems. Journal of Nonlinear Science . 1999;9:671-695.Edit

Srivastava H., Vasil'ev Y., Yakubovich SB. A class of index transforms with Whittaker's function as the kernel. Quart. J. Math. Oxford Ser. (2). 1998;49:375-394.Edit

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

Rebelo AN, Costa O., Rocha AP, Soares JM, Lago P. Is autonomic control of the heart rate at rest altered by detraining? A study of heart rate variability in professional soccer players. {Revista portuguesa de cardiologia : orgão oficial da Sociedade Portuguesa de Cardiologia = Portuguese journal of cardiology : an official journal of the Portuguese Society of Cardiology}. 1997;{16}:{535-541, 508}.Edit

Raina R., Yakubovich SB, Saigo M. On convolution integrals associated with $H$-transforms. J. Fract. Calc.. 1997;11:53-65.Edit

Yakubovich SB, Saigo M. On the Mehler-Fock transform in $L_p$-space. Math. Nachr.. 1997;185:261-277.Edit

Silva PV. Conjugacy and transposition for inverse monoid presentations. Internat. J. Algebra Comput.. 1996;6:607-622.

Silva PV. On free inverse monoid languages. RAIRO Inform. Théor. Appl.. 1996;30:349-378.

Sakaeda N, Yakubovich SB, Saigo M. On Leibniz rules involving generalized fractional calculus operators. Fukuoka Univ. Sci. Rep.. 1996;26:63-78.Edit

Sakaeda N, Yakubovich SB, Saigo M. On Leibniz rules involving generalized fractional calculus operators. Fukuoka Univ. Sci. Rep.. 1996;26:63-78.Edit

Yakubovich SB, Saigo M. On the general index transforms in $L_p$-space. S\=urikaisekikenky\=usho Kōky\=uroku. 1995:60-71.Edit

Yakubovich SB, Saigo M. On the $L_p$-theorems for index transforms. S\=urikaisekikenky\=usho Kōky\=uroku. 1995:72-83.Edit

Yakubovich SB, Saigo M, Gusarevich L.. Some asymptotic expansions of special functions by their indices. Fukuoka Univ. Sci. Rep.. 1995;25:23-32.Edit

Silva PV. The word problem for nilpotent inverse monoids. Semigroup Forum. 1995;51:285-293.

Yakubovich SB, Saigo M, Lemeshevskaya N.. On the class of Lebedev-Skalskaya type index transforms. Fukuoka Univ. Sci. Rep.. 1994;24:67-81.Edit

Paiva J., Brandão T., Milheiro R., Maia A., Lameirão A., Alves V., et al. Estudo comparativo de duas doses de fluconazol na profilaxia de infecções fúngicas em doentes neutropénicos 1994.Edit

Yakubovich SB, Saigo M. The Kontorovich-Lebedev transform and its convolution. S\=urikaisekikenky\=usho Kōky\=uroku. 1994:84-119.Edit