KOROBEINIK, J. F. One class of the equations of infinite order in generalized derivatives. Lithuanian Mathematical Journal, [S. l.], v. 4, n. 4, p. 497–515, 1964. DOI: 10.15388/LMJ.1964.19525. Disponível em: https://www.journals.vu.lt/LMJ/article/view/19525.. Acesso em: 27 apr. 2024.