TY - JOUR AU - A. B. Venkov TI - A remark on the discrete spectrum of the automorphic Laplacian for a generalized cycloidal subgroup of the general Fuchsian group JO - Zapiski Nauchnykh Seminarov POMI PY - 1987 SP - 31 EP - 36 VL - 160 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1987_160_a2/ LA - ru ID - ZNSL_1987_160_a2 ER -