LECH GÓRNIEWICZ. Recent advances in the Lefschetz xed point theory for multivalued mappings. Results in Nonlinear Analysis, [S. l.], v. 4, n. 2, p. 116–126, 2022. Disponível em: https://nonlinear-analysis.com/index.php/pub/article/view/68. Acesso em: 4 dec. 2024.