Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1988_300_4_a11, author = {A. E. Fryntov}, title = {An extremal problem of potential theory}, journal = {Doklady Akademii Nauk}, pages = {819--820}, publisher = {mathdoc}, volume = {300}, number = {4}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1988_300_4_a11/} }
A. E. Fryntov. An extremal problem of potential theory. Doklady Akademii Nauk, Tome 300 (1988) no. 4, pp. 819-820. http://geodesic.mathdoc.fr/item/DAN_1988_300_4_a11/