@article{GDZPPN002350149,
title = {A Note on a Problem of Busemann.},
journal = {Mathematica Scandinavica},
volume = {24},
year = {1969},
pages = {145-148},
zbl = {0189.22902},
url = {http://dml.mathdoc.fr/item/GDZPPN002350149}
}
Giertz, M. A Note on a Problem of Busemann.. Mathematica Scandinavica, Tome 24 (1969) pp. 145-148. http://gdmltest.u-ga.fr/item/GDZPPN002350149/