%0 Journal Article %A S. I. Adian %T The problem of identity in associative systems of a special form %J Doklady Akademii Nauk %D 1960 %P 1297-1300 %V 135 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_135_6_a0/ %G ru %F DAN_1960_135_6_a0