TY - JOUR AU - V. M. Astapenko TI - Quasiperiodic Green's functions for the Laplace and the Helmholtz equation JO - Differencialʹnye uravneniâ PY - 1974 SP - 1293 EP - 1297 VL - 10 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1974_10_7_a15/ LA - ru ID - DE_1974_10_7_a15 ER -