%0 Journal Article
%A S. A. Norgela
%T On the approximation of reduction classes of RPC by decidable classes
%J Zapiski Nauchnykh Seminarov POMI
%D 1976
%P 103-108
%V 60
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1976_60_a9/
%G ru
%F ZNSL_1976_60_a9