TY - JOUR AU - B. G. Nikolaev TI - Wave processes arising in the diffraction of waves from an annular source situated coaxially with an ideally reflecting, circular cone JO - Zapiski Nauchnykh Seminarov POMI PY - 1976 SP - 168 EP - 191 VL - 62 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1976_62_a13/ LA - ru ID - ZNSL_1976_62_a13 ER -