TY - JOUR AU - A. Kundu TI - Integrable twofold hierarchy of perturbed equations and application to optical soliton dynamics JO - Teoretičeskaâ i matematičeskaâ fizika PY - 2011 SP - 465 EP - 478 VL - 167 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_2011_167_3_a10/ LA - ru ID - TMF_2011_167_3_a10 ER -