@article{MZ_1966__93_170604,
     author = {A. Jakimovski and Leviatan},
     title = {Generalized {Bernstein} {Poynomials.}},
     journal = {Mathematische Zeitschrift},
     pages = {416--426},
     publisher = {mathdoc},
     volume = {93},
     year = {1966},
     zbl = {0146.29303},
     url = {http://geodesic.mathdoc.fr/item/MZ_1966__93_170604/}
}