TY - JOUR AU - V. A. Il'in TI - Problems of localization and convergence for Fourier series in fundamental systems of functions of the Laplace operator JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1968 SP - 59 EP - 116 VL - 23 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1968_23_2_a1/ LA - en ID - RM_1968_23_2_a1 ER -