Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1989_45_2_a6, author = {L. A. Leont'eva}, title = {Generalized derivative in an arbitrary domain}, journal = {Matemati\v{c}eskie zametki}, pages = {60--64}, publisher = {mathdoc}, volume = {45}, number = {2}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1989_45_2_a6/} }
L. A. Leont'eva. Generalized derivative in an arbitrary domain. Matematičeskie zametki, Tome 45 (1989) no. 2, pp. 60-64. http://geodesic.mathdoc.fr/item/MZM_1989_45_2_a6/