@article{104966,
author = {Otomar H\'ajek},
title = {Critical points of abstract dynamical systems},
journal = {Commentationes Mathematicae Universitatis Carolinae},
volume = {005},
year = {1964},
pages = {121-124},
zbl = {0134.42204},
mrnumber = {0177402},
language = {en},
url = {http://dml.mathdoc.fr/item/104966}
}
Hájek, Otomar. Critical points of abstract dynamical systems. Commentationes Mathematicae Universitatis Carolinae, Tome 005 (1964) pp. 121-124. http://gdmltest.u-ga.fr/item/104966/
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