TY  - JOUR
AU  - È. I. Grudo
TI  - Characteristic vectors and sets of functions of two variables and their fundamental properties
JO  - Differencialʹnye uravneniâ
PY  - 1976
SP  - 2115
EP  - 2128
VL  - 12
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1976_12_12_a0/
LA  - ru
ID  - DE_1976_12_12_a0
ER  -