@article{1103034385, author = {Silverman, Edward}, title = {A problem of least area.}, journal = {Pacific J. Math.}, volume = {14}, number = {4}, year = {1964}, pages = { 309-331}, language = {en}, url = {http://dml.mathdoc.fr/item/1103034385} }
Silverman, Edward. A problem of least area.. Pacific J. Math., Tome 14 (1964) no. 4, pp. 309-331. http://gdmltest.u-ga.fr/item/1103034385/