TY  - JOUR
AU  - G. A. Sokolik
AU  - N. P. Konopleva
TI  - Wave field equations covariant with an $n$-dimensional substantial unimodular group
JO  - Doklady Akademii Nauk
PY  - 1966
SP  - 539
EP  - 542
VL  - 169
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1966_169_3_a12/
LA  - ru
ID  - DAN_1966_169_3_a12
ER  -