Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MO_2006_37_2_a2, author = {S. I. Kalinin}, title = {On {Caratheodory} {Differentiability}}, journal = {Matemati\v{c}eskoe obrazovanie}, pages = {18--31}, publisher = {mathdoc}, volume = {37}, number = {2}, year = {2006}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MO_2006_37_2_a2/} }
S. I. Kalinin. On Caratheodory Differentiability. Matematičeskoe obrazovanie, Tome 37 (2006) no. 2, pp. 18-31. http://geodesic.mathdoc.fr/item/MO_2006_37_2_a2/