TY - JOUR AU - V. M. Astapenko TI - Construction of and connection between the n-periodic Green’s functions for the Laplace and Helmholtz equations JO - Doklady Akademii Nauk PY - 1972 SP - 48 EP - 51 VL - 205 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1972_205_1_a11/ LA - ru ID - DAN_1972_205_1_a11 ER -