@article{104942,
author = {Ale\v s Pultr},
title = {An analogon of the fixed-point theorem and its application for graphs},
journal = {Commentationes Mathematicae Universitatis Carolinae},
volume = {004},
year = {1963},
pages = {121-131},
zbl = {0151.30902},
mrnumber = {0188104},
language = {en},
url = {http://dml.mathdoc.fr/item/104942}
}
Pultr, Aleš. An analogon of the fixed-point theorem and its application for graphs. Commentationes Mathematicae Universitatis Carolinae, Tome 004 (1963) pp. 121-131. http://gdmltest.u-ga.fr/item/104942/