TY  - JOUR
AU  - V. P. Shapeev
TI  - Intermediate integrals of a second-order partial differential
JO  - Doklady Akademii Nauk
PY  - 1984
SP  - 1339
EP  - 1343
VL  - 276
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1984_276_6_a14/
LA  - ru
ID  - DAN_1984_276_6_a14
ER  -