@article{DE_1974_10_1_a18,
     author = {V. I. Ermakov},
     title = {Critical points of the {Green's} function for the exterior of a symmetric domain},
     journal = {Differencialʹnye uravneni\^a},
     pages = {162--164},
     publisher = {mathdoc},
     volume = {10},
     number = {1},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1974_10_1_a18/}
}