Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1987__37_2_a4, author = {Jasem, Milan}, title = {Pairs of partially ordered groups with the same convex subgroups}, journal = {Mathematica slovaca}, pages = {173--189}, publisher = {mathdoc}, volume = {37}, number = {2}, year = {1987}, mrnumber = {899433}, zbl = {0615.06005}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1987__37_2_a4/} }
Jasem, Milan. Pairs of partially ordered groups with the same convex subgroups. Mathematica slovaca, Tome 37 (1987) no. 2, pp. 173-189. http://geodesic.mathdoc.fr/item/MASLO_1987__37_2_a4/