TY - JOUR AU - Ya. V. Kurylev TI - ``Quasiphoton'' on active media.~II. Example: one-ditimensional wave equation with a~small retarding argument JO - Zapiski Nauchnykh Seminarov POMI PY - 1986 SP - 136 EP - 142 VL - 156 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1986_156_a11/ LA - ru ID - ZNSL_1986_156_a11 ER -