@article{1183497763,
author = {Thomas, T. Y. and Levine, Jack},
title = {On a class of existence theorems in differential geometry},
journal = {Bull. Amer. Math. Soc.},
volume = {40},
number = {12},
year = {1934},
pages = { 721-728},
language = {en},
url = {http://dml.mathdoc.fr/item/1183497763}
}
Thomas, T. Y.; Levine, Jack. On a class of existence theorems in differential geometry. Bull. Amer. Math. Soc., Tome 40 (1934) no. 12, pp. 721-728. http://gdmltest.u-ga.fr/item/1183497763/