@article{GDZPPN002061082,
title = {Connected Algebras and Universal Covering},
journal = {Commentarii mathematici Helvetici},
volume = {48},
year = {1973},
pages = {370-375},
zbl = {0271.16015},
url = {http://dml.mathdoc.fr/item/GDZPPN002061082}
}
Lue, Abraham S.-T. Connected Algebras and Universal Covering. Commentarii mathematici Helvetici, Tome 48 (1973) pp. 370-375. http://gdmltest.u-ga.fr/item/GDZPPN002061082/