@article{1102736802,
author = {Series, Caroline},
title = {An application of groupoid cohomology.},
journal = {Pacific J. Math.},
volume = {97},
number = {2},
year = {1981},
pages = { 415-432},
language = {en},
url = {http://dml.mathdoc.fr/item/1102736802}
}
Series, Caroline. An application of groupoid cohomology.. Pacific J. Math., Tome 97 (1981) no. 2, pp. 415-432. http://gdmltest.u-ga.fr/item/1102736802/