@article{10_21136_CMJ_1959_100383, author = {Hsu, L. C.}, title = {The polynomial approximation of continuous functions defined on $(-\infty,\infty)$}, journal = {Czechoslovak Mathematical Journal}, pages = {574--578}, year = {1959}, volume = {9}, number = {4}, doi = {10.21136/CMJ.1959.100383}, mrnumber = {0109975}, zbl = {0092.06003}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1959.100383/} }