Voir la notice de l'article provenant de la source Proyecto DML-E: Biblioteca Digital de Matemáticas
@article{GAMA_1973_1973_1_a7, author = {Colvin, Sam and Debnath, Lokenath}, title = {On symmetric partial derivatives an symmetric differentiability.}, journal = {Gaceta matem\'atica}, pages = {100-106}, publisher = {mathdoc}, volume = {25}, number = {3-4}, year = {1973}, language = {en}, url = {http://geodesic.mathdoc.fr/item/GAMA_1973_1973_1_a7/} }
Colvin, Sam; Debnath, Lokenath. On symmetric partial derivatives an symmetric differentiability.. Gaceta matemática, Tome 25 (1973) no. 3-4. http://geodesic.mathdoc.fr/item/GAMA_1973_1973_1_a7/