%0 Journal Article %A Gao, Yanhong %A Li, Ping %A Li, Xueliang %T Extremal graphs and classification of planar graphs by MC-numbers %J Discussiones Mathematicae. Graph Theory %D 2023 %P 1253-1272 %V 43 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGT_2023_43_4_a20/ %G en %F DMGT_2023_43_4_a20