@Misc{ JevWan20, author = { Jevnikar, Aleks and Wang, Jun and Yang, Wen }, title = { Liouville type theorems and periodic solutions for the nonhomogeneous parabolic systems }, journal = { Z. Angew. Math. Phys. }, year = { 2023 }, pages = { }, URL = { http://cvgmt.sns.it/paper/4799/ }, note = { cvgmt preprint} }