@article{PPN266833020_0072+dmdlog12,
title = {A theorem on the partial order derived from a certain transformation semigroup.},
journal = {Mathematische Zeitschrift},
volume = {71},
year = {1959},
pages = {53-60},
zbl = {0091.26101},
url = {http://dml.mathdoc.fr/item/PPN266833020_0072+dmdlog12}
}
Loewner, Charles. A theorem on the partial order derived from a certain transformation semigroup.. Mathematische Zeitschrift, Tome 71 (1959) pp. 53-60. http://gdmltest.u-ga.fr/item/PPN266833020_0072+dmdlog12/