@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/