%0 Journal Article
%A I. N. Ponomarenko
%T On computation complexity problems concerning relation algebras
%J Zapiski Nauchnykh Seminarov POMI
%D 1992
%P 116-134
%V 202
%U http://geodesic.mathdoc.fr/item/ZNSL_1992_202_a6/
%G ru
%F ZNSL_1992_202_a6