%0 Journal Article %A Tatjana Timotijević %T One implementation of PL prover algorithm %J Kragujevac Journal of Mathematics %D 2001 %P 119 %V 23 %I mathdoc %U http://geodesic.mathdoc.fr/item/KJM_2001_23_a13/ %G en %F KJM_2001_23_a13