%0 Journal Article
%A I. P. Petrov
%T On the concepts of ``all'' and ``every''
%J Algebra i logika
%D 1963
%P 17-19
%V 1
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1963_1_6_a1/
%G ru
%F AL_1963_1_6_a1