Ken-ichi Kawarabayashi Orlando Lee Bruce A. Reed Paul Wollan A weaker version of Lovász' path removal conjecture. 972-979 2008 98 J. Comb. Theory, Ser. B 5 http://dx.doi.org/10.1016/j.jctb.2007.11.003 db/journals/jct/jctb98.html#KawarabayashiLRW08