Sheremet, Mikhail A.
Pop, Ioan
Funding for this research was provided by:
Ministry of Education and Science of the Russian Federation (13.6542.2017/6.7)
UEFISCDI (PN-III-P4-ID-PCE-2016-0036)
Article History
Received: 8 January 2018
Accepted: 10 February 2018
First Online: 20 February 2018