@article{MS2_1957__5_165669,
     author = {TORD GANELIUS and G\'EZA FREUD},
     title = {Some remarks on one-sided approximation},
     journal = {Mathematica Scandinavica},
     pages = {276--284},
     publisher = {mathdoc},
     volume = {5},
     year = {1957},
     zbl = {0084.06103},
     url = {http://geodesic.mathdoc.fr/item/MS2_1957__5_165669/}
}