@Misc{ AoJevYan18, author = { Ao, Weiwei and Jevnikar, Aleks and Yang, Wen }, title = { Wave equations associated to Liouville-type problems: global existence in time and blow up criteria }, journal = { Ann. Mat Pura Appl. }, year = { 2020 }, pages = { }, URL = { http://cvgmt.sns.it/paper/3757/ }, note = { cvgmt preprint} }