%0 Journal Article %A V. S. Anashin %T Mixed identities and mixed varieties of groups %J Sbornik. Mathematics %D 1987 %P 171-182 %V 57 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1987_57_1_a10/ %G en %F SM_1987_57_1_a10