TY  - JOUR
AU  - A. L. Teptin
TI  - Conditions of validity of {\v C}aplygin's theorem for elliptic difference equations
JO  - Differencialʹnye uravneniâ
PY  - 1967
SP  - 1009
EP  - 1021
VL  - 3
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1967_3_6_a13/
LA  - ru
ID  - DE_1967_3_6_a13
ER  -