TY - JOUR AU - N. S. Grigor'eva TI - She two-scales expansions method for weak irregular ocean waveguides perturbed by current JO - Zapiski Nauchnykh Seminarov POMI PY - 1985 SP - 68 EP - 78 VL - 148 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1985_148_a7/ LA - ru ID - ZNSL_1985_148_a7 ER -