ARKHIPOVA, A. A.; STARÁ, J. Regularity problem for 2m-order quasilinear parabolic systems with non smooth in time principal matrix. (A(t),m)-caloric approximation method. Topological Methods in Nonlinear Analysis, [S. l.], v. 52, n. 1, p. 111–146, 2018. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2018.006. Acesso em: 23 jan. 2022.