@article{1183530103,
author = {Rubinstein, Zalman},
title = {On the approximation by $C$-polynomials},
journal = {Bull. Amer. Math. Soc.},
volume = {74},
number = {6},
year = {1968},
pages = { 1091-1093},
language = {en},
url = {http://dml.mathdoc.fr/item/1183530103}
}
Rubinstein, Zalman. On the approximation by $C$-polynomials. Bull. Amer. Math. Soc., Tome 74 (1968) no. 6, pp. 1091-1093. http://gdmltest.u-ga.fr/item/1183530103/