%0 Journal Article %A Hexel, Erhard %T On the H -Force Number of Hamiltonian Graphs and Cycle Extendability %J Discussiones Mathematicae. Graph Theory %D 2017 %P 79-88 %V 37 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGT_2017_37_1_a6/ %G en %F DMGT_2017_37_1_a6