%0 Journal Article %A L. N. Shevrin %A V. M. Kopytov %T Semigroups with relatively complemented subsemigroups %J Doklady Akademii Nauk %D 1962 %P 1012-1015 %V 145 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1962_145_5_a15/ %G ru %F DAN_1962_145_5_a15