TY  - JOUR
AU  - V. I. Ermakov
TI  - Critical points of the harmonic Green's function for the exterior of a domain that is homeomorphic to a ball
JO  - Differencialʹnye uravneniâ
PY  - 1973
SP  - 175
EP  - 176
VL  - 9
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1973_9_1_a22/
LA  - ru
ID  - DE_1973_9_1_a22
ER  -