Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1958_120_6_a5, author = {N. Meiman}, title = {The monotonic argument principle and differentiation of inequalities}, journal = {Doklady Akademii Nauk}, pages = {1191--1193}, publisher = {mathdoc}, volume = {120}, number = {6}, year = {1958}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1958_120_6_a5/} }
N. Meiman. The monotonic argument principle and differentiation of inequalities. Doklady Akademii Nauk, Tome 120 (1958) no. 6, pp. 1191-1193. http://geodesic.mathdoc.fr/item/DAN_1958_120_6_a5/