@article{1077492652, author = {Shohat, J.}, title = {The best polynomial approximation of functions possessing derivatives}, journal = {Duke Math. J.}, volume = {8}, number = {1}, year = {1941}, pages = { 376-385}, language = {en}, url = {http://dml.mathdoc.fr/item/1077492652} }
Shohat, J. The best polynomial approximation of functions possessing derivatives. Duke Math. J., Tome 8 (1941) no. 1, pp. 376-385. http://gdmltest.u-ga.fr/item/1077492652/