%0 Journal Article %A V. I. Arnautov %A A. V. Mikhalev %T Questions on the possibility of extending the topologies of a~ring and of a~semigroup to their semigroup ring %J Informatics and Automation %D 1992 %P 22-27 %V 193 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1992_193_a4/ %G ru %F TRSPY_1992_193_a4