%0 Journal Article
%T Anatoli\u{\i} Illarionovi\v{c} \v{S}ir\v{s}ov (on his fiftieth birthday)
%J Algebra i logika
%D 1971
%P 475-479
%V 10
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1971_10_4_a7/
%G ru
%F AL_1971_10_4_a7