@article{MASLO_2000_50_2_a2,
     author = {Jakub{\'\i}k, J\'an and \v{C}ern\'ak, \v{S}tefan},
     title = {On convex linearly ordered subgroups of an $h\ell $-group},
     journal = {Mathematica slovaca},
     pages = {127--133},
     year = {2000},
     volume = {50},
     number = {2},
     mrnumber = {1763115},
     zbl = {0986.06011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_2000_50_2_a2/}
}