Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{ARM_1991__27_3-4_a11, author = {Lihov\'a, Judita}, title = {Direct factors of directed groups}, journal = {Archivum mathematicum}, pages = {221--227}, publisher = {mathdoc}, volume = {27}, number = {3-4}, year = {1991}, mrnumber = {1189219}, zbl = {0761.06009}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ARM_1991__27_3-4_a11/} }
Lihová, Judita. Direct factors of directed groups. Archivum mathematicum, Tome 27 (1991) no. 3-4, pp. 221-227. http://geodesic.mathdoc.fr/item/ARM_1991__27_3-4_a11/