TY  - JOUR
AU  - A. V. Tulub
TI  - A new derivation of nonlinear optics formulas
JO  - Doklady Akademii Nauk
PY  - 1973
SP  - 584
EP  - 587
VL  - 212
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1973_212_3_a15/
LA  - ru
ID  - DAN_1973_212_3_a15
ER  -