Widok standardowy
Widok MARC
Covačev, Valéry. (Hasło osobowe)
Forma odrzucona:
- Covachev, Valéry.
- Covachev, V.
Proceedings of the fifth intrnational colloquium on differential equations / ed. by D. Bainov and V. Covachev. - Utrecht, 1995.
Impulsive differential equations with a small parameter / Drumi Bainov, Valéry Covachev. - Singapore, 1994. (Bulgarian Academy of Sciences, Bulgaria)