Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1991__41_1_a6, author = {\v{C}ern\'ak, \v{S}tefan}, title = {On the completion of cyclically ordered groups}, journal = {Mathematica slovaca}, pages = {41--49}, publisher = {mathdoc}, volume = {41}, number = {1}, year = {1991}, mrnumber = {1094983}, zbl = {0771.06007}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1991__41_1_a6/} }
Černák, Štefan. On the completion of cyclically ordered groups. Mathematica slovaca, Tome 41 (1991) no. 1, pp. 41-49. http://geodesic.mathdoc.fr/item/MASLO_1991__41_1_a6/