@article{bwmeta1.element.bwnjournal-article-cmv9i1p251bwm,
author = {P. van Albada},
title = {Problems of order with respect to tetrahedral sextuples},
journal = {Colloquium Mathematicae},
volume = {9},
year = {1962},
pages = {251-264},
zbl = {0109.39204},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-cmv9i1p251bwm}
}
van Albada, P. Problems of order with respect to tetrahedral sextuples. Colloquium Mathematicae, Tome 9 (1962) pp. 251-264. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-cmv9i1p251bwm/