Voir la notice de l'article provenant de la source Math-Net.Ru
@article{TRSPY_1965_84_a7, author = {V. P. Il'in}, title = {On some properties of classes of differentiable functions defined in a~domain}, journal = {Informatics and Automation}, pages = {93--143}, publisher = {mathdoc}, volume = {84}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1965_84_a7/} }
V. P. Il'in. On some properties of classes of differentiable functions defined in a~domain. Informatics and Automation, Proc. Numerical methods and inequalities in function spaces, Tome 84 (1965), pp. 93-143. http://geodesic.mathdoc.fr/item/TRSPY_1965_84_a7/