@article{bwmeta1.element.bwnjournal-article-fmv114i1p20bwm,
author = {Marek Golasi\'nski},
title = {Homotopies of small categories},
journal = {Fundamenta Mathematicae},
volume = {112},
year = {1981},
pages = {209-217},
zbl = {0485.55014},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv114i1p20bwm}
}
Golasiński, Marek. Homotopies of small categories. Fundamenta Mathematicae, Tome 112 (1981) pp. 209-217. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv114i1p20bwm/