TY  - JOUR
AU  - D. A. Bredikhin
TI  - On classes of groupoids of relations with diophantine operations
JO  - Izvestiya of Saratov University. Mathematics. Mechanics. Informatics
PY  - 2013
SP  - 28
EP  - 34
VL  - 13
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ISU_2013_13_4_a2/
LA  - ru
ID  - ISU_2013_13_4_a2
ER  -