TY - JOUR AU - N. V. Zepelev TI - The propagation of oscillations in a~medium with a~transition layer JO - Informatics and Automation PY - 1968 SP - 184 EP - 212 VL - 95 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1968_95_a9/ LA - ru ID - TRSPY_1968_95_a9 ER -