@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},
     publisher = {mathdoc},
     volume = {09},
     number = {4},
     year = {1959},
     doi = {10.21136/CMJ.1959.100383},
     mrnumber = {0109975},
     zbl = {0092.06003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1959.100383/}
}