@article{1183421538, author = {Bolza, Oskar}, title = {A generalization of Lindel\"of's theorems on the catenary}, journal = {Bull. Amer. Math. Soc.}, volume = {18}, number = {3}, year = {1911}, pages = { 107-110}, language = {en}, url = {http://dml.mathdoc.fr/item/1183421538} }
Bolza, Oskar. A generalization of Lindelöf's theorems on the catenary. Bull. Amer. Math. Soc., Tome 18 (1911) no. 3, pp. 107-110. http://gdmltest.u-ga.fr/item/1183421538/