%0 Journal Article
%A L. L. Maksimova
%T Implicit Definability and Positive Logics
%J Algebra i logika
%D 2003
%P 65-93
%V 42
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_2003_42_1_a4/
%G ru
%F AL_2003_42_1_a4