@article{1183514037,
author = {Sholander, Marlow},
title = {On the existence of the inverse operation in alternation groupoids},
journal = {Bull. Amer. Math. Soc.},
volume = {55},
number = {12},
year = {1949},
pages = { 746-757},
language = {en},
url = {http://dml.mathdoc.fr/item/1183514037}
}
Sholander, Marlow. On the existence of the inverse operation in alternation groupoids. Bull. Amer. Math. Soc., Tome 55 (1949) no. 12, pp. 746-757. http://gdmltest.u-ga.fr/item/1183514037/