Beites, P. D.
Kaygorodov, Ivan
Popov, Yury
Funding for this research was provided by:
Russian Foundation for Basic Research (16-31-00096)
Fundação para a Ciência e a Tecnologia (PEst-OE/MAT/UI0212/2015)
Ministerio de Economía y Competitividad (MTM2013-45588-C3-1-P)
FAPESP (14/24519-8, 16/16445-0;)
the President’s Programme ‘Support of Young Russian Scientists’ (grant MK-1378.2017.1)
Article History
Received: 28 August 2016
Revised: 2 March 2017
First Online: 22 March 2017