@article{MAN_1931__105_159536,
     author = {O.H. Keller},
     title = {Die {Homoiomorphie} der kompakten konvexen {Mengen} im {Hilbertschen} {Raum}},
     journal = {Mathematische Annalen},
     pages = {748--758},
     publisher = {mathdoc},
     volume = {105},
     year = {1931},
     zbl = {57.1523.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1931__105_159536/}
}