1.
Myshkis A, Bainov D, Dimitrova M. Oscillatory and Asymptotic Properties of the Solutions of a Class of Operator-Differential Equations. Rev. mat. complut. [Internet]. 1 de enero de 1994 [citado 29 de julio de 2026];7(2):309. Disponible en: https://revistas.ucm.es/index.php/REMA/article/view/REMA9494220309A