%0 Journal Article %A Yue, Jun %A Wei, Meiqin %A Zhao, Yan %T Proper connection number of bipartite graphs %J Czechoslovak Mathematical Journal %D 2018 %P 307-322 %V 68 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2018.0122-16/ %R 10.21136/CMJ.2018.0122-16 %G en %F 10_21136_CMJ_2018_0122_16