TY - JOUR AU - Z. M. Narkun TI - Formulas for mutual re-expansion of fundamental solutions of the Laplace equation in polar and elliptic coordinates JO - Differencialʹnye uravneniâ PY - 1983 SP - 654 EP - 660 VL - 19 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1983_19_4_a13/ LA - ru ID - DE_1983_19_4_a13 ER -