TY - JOUR AU - V. I. Ivanov TI - Calculation of corrections to the Fock's asymptotic formula for the wave field in a~neighbourhood of surfaces of JO - Zapiski Nauchnykh Seminarov POMI PY - 1981 SP - 102 EP - 110 VL - 104 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1981_104_a9/ LA - ru ID - ZNSL_1981_104_a9 ER -