@article{1183510602, author = {Craig, Homer V.}, title = {On the structure of intrinsic derivatives}, journal = {Bull. Amer. Math. Soc.}, volume = {53}, number = {12}, year = {1947}, pages = { 332-342}, language = {en}, url = {http://dml.mathdoc.fr/item/1183510602} }
Craig, Homer V. On the structure of intrinsic derivatives. Bull. Amer. Math. Soc., Tome 53 (1947) no. 12, pp. 332-342. http://gdmltest.u-ga.fr/item/1183510602/