@article{MZ_1957__68_169706,
     author = {Sherman K. Stein},
     title = {A {Continuous} {Mapping} {Defined} by a {Convex} {Curve.}},
     journal = {Mathematische Zeitschrift},
     pages = {282--283},
     publisher = {mathdoc},
     volume = {68},
     year = {1957},
     zbl = {0079.16402},
     url = {http://geodesic.mathdoc.fr/item/MZ_1957__68_169706/}
}