@article{1183499322, author = {Sewell, W. E.}, title = {On the modulus of the derivative of a polynomial}, journal = {Bull. Amer. Math. Soc.}, volume = {42}, number = {12}, year = {1936}, pages = { 699-701}, language = {en}, url = {http://dml.mathdoc.fr/item/1183499322} }
Sewell, W. E. On the modulus of the derivative of a polynomial. Bull. Amer. Math. Soc., Tome 42 (1936) no. 12, pp. 699-701. http://gdmltest.u-ga.fr/item/1183499322/