GUDYNAS, Gintautas. On unbounded solutions of the first order ordinary differential equations. Lietuvos matematikos rinkinys, [S. l.], v. 41, n. spec., p. 191–195, 2001. DOI: 10.15388/LMR.2001.34432. Disponível em: https://www.journals.vu.lt/LMR/article/view/34432.. Acesso em: 18 may. 2024.