@article{GDZPPN00234310X,
title = {Problem 2 (Vol. l (1953), p. 171)},
journal = {Mathematica Scandinavica},
volume = {2},
year = {1954},
pages = {160-160},
url = {http://dml.mathdoc.fr/item/GDZPPN00234310X}
}
FENCHEL, WERNER. Problem 2 (Vol. l (1953), p. 171). Mathematica Scandinavica, Tome 2 (1954) p. 160. http://gdmltest.u-ga.fr/item/GDZPPN00234310X/