Information on the author
Yaroslav R. Petryshin
- The averaging method of solving boundary-value problems for differential equation systems with slow and fast variables
- R. I. Petryshyn and Y. R. Petryshin
- Volume 1, No.1, pp. 51-65
- Link PDF
- Multipoint problems for oscillatory systems with slowly varying frequencies
- A. M. Samoilenko and Y. R. Petryshin
- Volume 2, No.2, pp. 231-240
- Link PDF