Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1992_51_6_a14, author = {N. A. Shananin}, title = {Weighing of derivatives}, journal = {Matemati\v{c}eskie zametki}, pages = {115--125}, publisher = {mathdoc}, volume = {51}, number = {6}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1992_51_6_a14/} }
N. A. Shananin. Weighing of derivatives. Matematičeskie zametki, Tome 51 (1992) no. 6, pp. 115-125. http://geodesic.mathdoc.fr/item/MZM_1992_51_6_a14/