OBUKHOVSKIĬ, V.; ZECCA, P.; ZVYAGIN, V. G. Optimal feedback control in the problem of the motion of a viscoelastic fluid. Topological Methods in Nonlinear Analysis, [S. l.], v. 23, n. 2, p. 323–337, 2004. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2004.014. Acesso em: 27 apr. 2024.