TY  - JOUR
AU  - N. V. Zepelev
TI  - The Caustic Problem Solution for the Elastic Medium
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1974
SP  - 255
EP  - 268
VL  - 42
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1974_42_a17/
LA  - ru
ID  - ZNSL_1974_42_a17
ER  -