Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1978_14_8_a23, author = {D. P. Zeragi\^a}, title = {An isoperimetric problem}, journal = {Differencialʹnye uravneni\^a}, pages = {1516--1519}, publisher = {mathdoc}, volume = {14}, number = {8}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1978_14_8_a23/} }
D. P. Zeragiâ. An isoperimetric problem. Differencialʹnye uravneniâ, Tome 14 (1978) no. 8, pp. 1516-1519. http://geodesic.mathdoc.fr/item/DE_1978_14_8_a23/