- Author: Yakimov A.S.
- Language: English
- Year: 2018
- Author: A.S. Yakimov
- Language: English
- Year: 2018
- Author: A.S. Yakimov
- Language: English
- Year: 2016
- Author: K. R. Goodearl M. T. Yakimov
- Language: English
- Year: 2017
- Author: A.S. Yakimov
- Language: English
- Year: 2016
- Author: Milen Yakimov
- Language: English
- Year: 2014