TY  - JOUR
AU  - V. S. Ryaben'kii
TI  - On~systems of difference equations on~polyhedra
JO  - Sbornik. Mathematics
PY  - 1969
SP  - 73
EP  - 85
VL  - 8
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1969_8_1_a3/
LA  - en
ID  - SM_1969_8_1_a3
ER  -