TY - JOUR AU - A. I. Korol'kov AU - A. V. Shanin TI - Parabolic equation method and Fresnel approximation in Weinstein's problems JO - Zapiski Nauchnykh Seminarov POMI PY - 2014 SP - 87 EP - 118 VL - 426 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2014_426_a7/ LA - ru ID - ZNSL_2014_426_a7 ER -