TY - JOUR AU - N. Ya. Kirpichnikova AU - M. M. Popov AU - I. Pšenčik TI - An algorithm for computation of the second term of the ray method series in an inhomogeneous isotropic medium JO - Zapiski Nauchnykh Seminarov POMI PY - 1994 SP - 73 EP - 93 VL - 210 UR - http://geodesic.mathdoc.fr/item/ZNSL_1994_210_a7/ LA - ru ID - ZNSL_1994_210_a7 ER -