TY - JOUR AU - M. A. Lyalinov TI - Wave-field asymptotics in the problem of diffraction by a~planar junction of thin layers and boundary-contact conditions JO - Zapiski Nauchnykh Seminarov POMI PY - 1995 SP - 157 EP - 171 VL - 230 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1995_230_a12/ LA - ru ID - ZNSL_1995_230_a12 ER -