# Information on the author

Tetiana V. Kovalchuk

- Averaging method in problems of optimal control over impulsive systems
- T. V. Kovalchuk, V. V. Mogylova, and T. V. Shovkoplias
- Volume 22, No.1, pp. 86-97
- Link PDF
- Optimal control by some classes of dynamic equations on the infinite interval of the time scale
- T. V. Kovalchuk, O. Y. Lavrova, and V. V. Mogylova
- Volume 22, No.4, pp. 482-496
- Link PDF
- Existence of an optimal control for differential systems with impulsive effects at nonfixed times
- A. O. Ivashkevych and T. V. Kovalchuk
- Volume 19, No.4, pp. 493-508
- Link PDF