%0 Journal Article %A J. Florek %T Graphs minimal with respect to contractions in some subfamilies of maximal planar graphs %J Applicationes Mathematicae %D 1987 %P 387-398 %V 19 %N 3-4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am-19-3-4-387-398/ %R 10.4064/am-19-3-4-387-398 %G en %F 10_4064_am_19_3_4_387_398