TY - JOUR AU - S. L. Sobolev TI - General theory of waves diffraction at the Riemann surfaces JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1935 SP - 39 EP - 105 VL - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_1935_9_a2/ LA - ru ID - TM_1935_9_a2 ER -