@article{MASLO_1997__47_5_a7,
     author = {Jurga, Rastislav},
     title = {Some problems of classification of points in the {Desarguesian} {Hjelmslev} plane},
     journal = {Mathematica slovaca},
     pages = {563--574},
     publisher = {mathdoc},
     volume = {47},
     number = {5},
     year = {1997},
     mrnumber = {1635236},
     zbl = {0940.51003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1997__47_5_a7/}
}