TY - JOUR AU - M. V. Pavlov TI - Nonlinear Schr\"odinger equation and the bogolyubov-whitham method of averaging JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1987 SP - 351 EP - 356 VL - 71 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1987_71_3_a4/ LA - ru ID - TMF_1987_71_3_a4 ER -