@article{700639,
title = {Monotone mappings and cellularity of ordered sets},
booktitle = {General topology and its relations to modern analysis and algebra IV},
series = {GDML\_Books},
publisher = {Society of Czechoslovak Mathematicians and Physicist},
address = {Praha},
year = {1977},
pages = {[247]-253},
mrnumber = {MR0498292},
zbl = {0387.06001},
url = {http://dml.mathdoc.fr/item/700639}
}
Kurepa, D. Monotone mappings and cellularity of ordered sets, dans General topology and its relations to modern analysis and algebra IV, GDML_Books, (1977), pp. [247]-253. http://gdmltest.u-ga.fr/item/700639/