%0 Journal Article
%A I. I. Eremin
%T Questions of duality for improper problems of mathematical
%J Algebra i logika
%D 1984
%P 624-636
%V 23
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1984_23_6_a1/
%G ru
%F AL_1984_23_6_a1