Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS2_1954__2_165532, author = {WERNER FENCHEL}, title = {Problem 2 {(Vol.} l (1953), p. 171)}, journal = {Mathematica Scandinavica}, pages = {160--160}, publisher = {mathdoc}, volume = {2}, year = {1954}, url = {http://geodesic.mathdoc.fr/item/MS2_1954__2_165532/} }
WERNER FENCHEL. Problem 2 (Vol. l (1953), p. 171). Mathematica Scandinavica, Tome 2 (1954), p. 160. http://geodesic.mathdoc.fr/item/MS2_1954__2_165532/