%0 Journal Article
%A P. E. Alaev
%T Structures computable in polynomial time.~I
%J Algebra i logika
%D 2016
%P 647-669
%V 55
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_2016_55_6_a0/
%G ru
%F AL_2016_55_6_a0