Existence of (∅^α⊗ψ^α ) bounded solutions of Kronecker product first order system of Differential equations. International Journal of Engineering and Computer Science, india, v. 9, n. `10, p. 25240–25245, 2020. DOI: 10.18535/ijecs/v9i`10.4538. Disponível em: http://ijecs.in/index.php/ijecs/article/view/4538. Acesso em: 11 apr. 2025.