TY - JOUR AU - J. Florek TI - Graphs minimal with respect to contractions in some subfamilies of maximal planar graphs JO - Applicationes Mathematicae PY - 1987 SP - 387 EP - 398 VL - 19 IS - 3-4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/am-19-3-4-387-398/ DO - 10.4064/am-19-3-4-387-398 LA - en ID - 10_4064_am_19_3_4_387_398 ER -