%0 Journal Article
%A D. A. Bredikhin
%T On classes of groupoids of relations with diophantine operations
%J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics
%D 2013
%P 28-34
%V 13
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ISU_2013_13_4_a2/
%G ru
%F ISU_2013_13_4_a2