Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1995__45_3_a0, author = {Jurga, Rastislav}, title = {Some combinatorial properties of conics in the {Hjelmslev} plane}, journal = {Mathematica slovaca}, pages = {219--226}, publisher = {mathdoc}, volume = {45}, number = {3}, year = {1995}, mrnumber = {1361814}, zbl = {0853.05018}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1995__45_3_a0/} }
Jurga, Rastislav. Some combinatorial properties of conics in the Hjelmslev plane. Mathematica slovaca, Tome 45 (1995) no. 3, pp. 219-226. http://geodesic.mathdoc.fr/item/MASLO_1995__45_3_a0/