Luchko Y., Yakubovich SB. Convolutions of the generalized fractional integration operator. In: Complex analysis and generalized functions (Varna, 1991). Publ. House Bulgar. Acad. Sci., Sofia; 1993. 1. p. 199-211p. Edit

Yakubovich SB. On a class of integral convolutions. Vests\=ı Akad. Navuk Belarus\=ı Ser. F\=ız. Mat. Navuk. 1992:27-33, 124.

Silva PV. Clifford monoid presentations. Math. Proc. Cambridge Philos. Soc.. 1992;111:445-454.

Bacro J-, Brito M. Comportement asymptotique presque sûr de la différence de statistiques d'ordre uniformes. C. R. Acad. Sci. Paris Sér. I Math.. 1992;314:317-320.Edit

Yakubovich SB, Hai NT, Buschman R.. Convolutions for $H$-function transformations. Indian J. Pure Appl. Math.. 1992;23:743-752.Edit

Almeida J. Counting factors in words, semidirect products and power semigroups. In: Words, languages and combinatorics (Kyoto, 1990). World Sci. Publ., River Edge, NJ; 1992. 1. p. 1-15p. Edit

Tuan VK, Yakubovich SB. A criterion for the unitarity of a two-sided integral transformation. Ukraï n. Mat. Zh.. 1992;44:697-699.Edit

Yakubovich SB. A constructive method for constructing integral convolutions. Dokl. Akad. Nauk BSSR. 1990;34:588-591, 666.

Lago PJ, Rocha AP, Jones N.. COVARIANCE DENSITY-ESTIMATION FOR AUTOREGRESSIVE SPECTRAL MODELING OF POINT-PROCESSES. {BIOLOGICAL CYBERNETICS}. 1989;{61}:{195-203}.Edit

Basto-Gonçalves J. Control of a neoclassic economic model. Portugal. Math.. 1988;45:417-428.

Yakubovich SB, Tuan VK, Marichev O., Kalla SL. A class of index integral transforms. Rev. Técn. Fac. Ingr. Univ. Zulia. 1987;10:105-118.Edit

Basto-Gonçalves J. Controllability in codimension one. J. Differential Equations. 1987;68:1-9.

Yakubovich SB. On the convolution for the Kontorovich-Lebedev transformation and its applications to integral equations. Dokl. Akad. Nauk BSSR. 1987;31:101-103, 188.

Tuan VK, Marichev O., Yakubovich SB. Compositional structure of integral transformations. Dokl. Akad. Nauk SSSR. 1986;286:786-790.Edit

Murza AC. The Cyclic Hopf H mod K Theorem. Mathematical Reports.Edit