%0 Journal Article %A V. Marenitch %T Geodesic lines in $\widetilde{SL_2(R)}$ and $Sol$ %J Novi Sad Journal of Mathematics %D 2008 %P 91-104 %V 38 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/NSJOM_2008_38_2a_11/ %F NSJOM_2008_38_2a_11