TY - JOUR AU - S. V. Petras TI - On resonance series separating onto the ``nonphysical'' sheet JO - Zapiski Nauchnykh Seminarov POMI PY - 1975 SP - 155 EP - 169 VL - 51 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1975_51_a10/ LA - ru ID - ZNSL_1975_51_a10 ER -