TY  - JOUR
AU  - K. P. Surovikhin
TI  - The invariant meaning of Riemann's invariants
JO  - Doklady Akademii Nauk
PY  - 1965
SP  - 319
EP  - 322
VL  - 163
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1965_163_2_a13/
LA  - ru
ID  - DAN_1965_163_2_a13
ER  -