@article{GDZPPN002304457,
title = {Maximal Primal Clusters Are Infinite.},
journal = {Mathematische Annalen},
volume = {193},
year = {1971},
pages = {99-120},
zbl = {0251.08008},
url = {http://dml.mathdoc.fr/item/GDZPPN002304457}
}
FROEMKE, J. Maximal Primal Clusters Are Infinite.. Mathematische Annalen, Tome 193 (1971) pp. 99-120. http://gdmltest.u-ga.fr/item/GDZPPN002304457/