%0 Journal Article %A M. V. Schwidefsky %T Existence of independent quasi-equational bases %J Algebra i logika %D 2019 %P 769-803 %V 58 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_2019_58_6_a5/ %G ru %F AL_2019_58_6_a5