@article{CMJ_2001__51_1_a11,
     author = {Jakub{\'\i}k, J\'an},
     title = {Lexicographic products of half linearly ordered groups},
     journal = {Czechoslovak Mathematical Journal},
     pages = {127--138},
     publisher = {mathdoc},
     volume = {51},
     number = {1},
     year = {2001},
     mrnumber = {1814638},
     zbl = {1079.06504},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2001__51_1_a11/}
}