TY  - JOUR
AU  - V. V. Lychagin
TI  - The geometry and topology of shock waves
JO  - Doklady Akademii Nauk
PY  - 1982
SP  - 551
EP  - 555
VL  - 264
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1982_264_3_a7/
LA  - ru
ID  - DAN_1982_264_3_a7
ER  -