Geodesic
Lagrange Theorem is a Powerful Tool of Functions Investigation
Matematičeskoe obrazovanie (2011), pp. 24-33.

Voir la notice de l'article provenant de la source Math-Net.Ru

Lagrange theorem is proved and applied to derive different properties of functions 
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     author = {E. V. Geras'kina and V. V. Tsukerman},
     title = {Lagrange {Theorem} is a {Powerful} {Tool} of {Functions} {Investigation}},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {24--33},
     publisher = {mathdoc},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2011_a3/}
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E. V. Geras'kina; V. V. Tsukerman. Lagrange Theorem is a Powerful Tool of Functions Investigation. Matematičeskoe obrazovanie (2011), pp. 24-33. http://geodesic.mathdoc.fr/item/MO_2011_a3/