TY - JOUR AU - L. D. Faddeev TI - Expansion in eigenfunctions of the Laplace operator on the fundamental domain of a discrete group on the Lobachevski plane JO - Trudy Moskovskogo matematičeskogo obŝestva PY - 1967 SP - 323 EP - 350 VL - 17 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MMO_1967_17_a9/ LA - ru ID - MMO_1967_17_a9 ER -