TY  - JOUR
AU  - È. I. Andriankin
TI  - A converging wave in a plastic medium
JO  - Doklady Akademii Nauk
PY  - 1960
SP  - 769
EP  - 772
VL  - 131
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1960_131_4_a14/
LA  - ru
ID  - DAN_1960_131_4_a14
ER  -