@article{1077475667, author = {Hirschman, Jr., I. I. and Widder, D. V.}, title = {Generalized Bernstein polynomials}, journal = {Duke Math. J.}, volume = {16}, number = {1}, year = {1949}, pages = { 433-438}, language = {en}, url = {http://dml.mathdoc.fr/item/1077475667} }
Hirschman, Jr., I. I.; Widder, D. V. Generalized Bernstein polynomials. Duke Math. J., Tome 16 (1949) no. 1, pp. 433-438. http://gdmltest.u-ga.fr/item/1077475667/