TY  - JOUR
AU  - N. A. Tikhonov
TI  - On modeling of beam self-focusing
JO  - Doklady Akademii Nauk
PY  - 1976
SP  - 592
EP  - 594
VL  - 231
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1976_231_3_a19/
LA  - ru
ID  - DAN_1976_231_3_a19
ER  -