%0 Journal Article %A Jurga, Rastislav %T Some combinatorial properties of conics in the Hjelmslev plane %J Mathematica slovaca %D 1995 %P 219-226 %V 45 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1995__45_3_a0/ %G en %F MASLO_1995__45_3_a0