%0 Journal Article %A M. A. Taitslin %T Existentially closed regular commutative semigroups %J Algebra i logika %D 1973 %P 689-703 %V 12 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1973_12_6_a4/ %G ru %F AL_1973_12_6_a4