TY  - JOUR
AU  - V. V. Drits
TI  - Conservative difference schemes in problems of nonlinear optics. I
JO  - Differencialʹnye uravneniâ
PY  - 1991
SP  - 1153
EP  - 1161
VL  - 27
IS  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1991_27_7_a6/
LA  - ru
ID  - DE_1991_27_7_a6
ER  -