TY  - JOUR
AU  - B. A. Malomed
TI  - Perturbation theory for the nonlinear Schr\"odinger equation in the solitonless sector
JO  - Teoretičeskaâ i matematičeskaâ fizika
PY  - 1982
SP  - 34
EP  - 43
VL  - 51
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TMF_1982_51_1_a3/
LA  - ru
ID  - TMF_1982_51_1_a3
ER  -