Ahues M, d'Almeida FD, Largillier A, Vasconcelos PB. Spectral refinement for clustered eigenvalues of quasi-diagonal matrices. Linear Algebra and its Applications. 2006;413:394-402.Edit

Sousa R, Yakubovich S. The spectral expansion approach to index transforms and connections with the theory of diffusion processes. Communications on Pure & Applied Analysis. 2018;17(6):2351-2378.Edit

Sousa R, Yakubovich S. The spectral expansion approach to index transforms and connections with the theory of diffusion processes. Commun. Pure Appl. Anal.. 2018;17:2351-2378.Edit

Costa O., Lago P, Rocha AP, Freitas J., Puig J, Carvalho M., et al. The spectral analysis of heart rate variability. A comparative study between nonparametric and parametric spectral analysis in short series . {Revista portuguesa de cardiologia : orgao oficial da Sociedade Portuguesa de Cardiologia = Portuguese journal of cardiology : an official journal of the Portuguese Society of Cardiology}. 1995;{14}:{621-626}.Edit

Kambites M, Silva PV, Steinberg B. The spectra of lamplighter groups and Cayley machines. Geom. Dedicata. 2006;120:193-227.Edit

Moreira C.. Special Jordan subspaces and synchrony subspaces in coupled cell networks. SIAM J. Applied Dynamical Systems. 2015;14(1):253-285.

Howie J., Reilly N., Silva PV, Volkov M. A special issue dedicated to the memory of Walter Douglas Munn: a note from the editors. Semigroup Forum. 2010;81:1.Edit

Loureiro A., Yakubovich SB. On special cases of Boas-Buck-type polynomial sequences.. 2014;Analytic number theory, approximation theory, and special functions:705-720.Edit

Dias AP, Pinho EM. Spatially Periodic Patterns of Synchrony in Lattice Networks. SIAM Journal on Applied Dynamical Systems. 2008;8(2):641-675.Edit

Kha\u\i NT, Yakubovich SB. Some two-dimensional integral transformations of convolution type. Dokl. Akad. Nauk BSSR. 1990;34:396-398, 474.Edit

Borlido C. Some reducibility properties for pseudovarieties of the form DRH. Communications in Algebra. In Press.

Yakubovich SB. On some Rajchman measures and equivalent Salem's problem. Commun. Math. Anal.. 2013;14:28-41.

Almeida J. Some quasi-ordered classes of finite commutative semigroups. Semigroup Forum. 1985;32:189-200.Edit

Almeida J. Some pseudovariety joins involving the pseudovariety of finite groups. Semigroup Forum. 1988;37:53-57.Edit

Yakubovich SB. On some properties of the Abel-Goncharov polynomials and the Casas-Alvero problem. Integral Transforms and Special Functions. 2016;27(8):599-610.

Almeida J. Some order properties of the lattice of varieties of commutative semigroups. Canad. J. Math.. 1986;38:19-47.Edit

Fisher B, Yakubovich SB, Chen Y. Some non-commutative neutrix convolution products of functions. Math. Balkanica (N.S.). 1995;9:287-297.Edit

Yakubovich SB. On some new properties of the Kontorovich-Lebedev like integral transforms. Rev. Técn. Fac. Ingr. Univ. Zulia. 1995;18:291-299.

Almeida J. Some key problems on finite semigroups. Semigroup Forum. 2002;64:159-179.Edit

Yakubovich SB. Some generalizations of the Laplace convolution. Mat. Fiz. Neline\uın. Mekh.. 1992:8-12.

Yakubovich SB. Some classes of discrete transforms that are generated by matrix linear operators. Vests\=ı Akad. Navuk Belarus\=ı Ser. F\=ız. Mat. Navuk. 1992:20-25, 123.

Rito C. Some bidouble planes with $p_g=q=0$ and $4\leq K^2\leq 7$. International Journal of Mathematics. 2015;26(5).

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

Almeida J. Some algorithms on the star operation applied to finite languages. Semigroup Forum. 1984;28:187-197.Edit

Almeida J. Some algorithmic problems for pseudovarieties. Publ. Math. Debrecen. 1999;54:531-552.Edit