TY  - JOUR
AU  - V. N. Lugovoi
TI  - Propagation of wave beams in non-linear media
JO  - Doklady Akademii Nauk
PY  - 1967
SP  - 58
EP  - 61
VL  - 176
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1967_176_1_a14/
LA  - ru
ID  - DAN_1967_176_1_a14
ER  -