Gorodetski, Anton http://orcid.org/0000-0001-5158-9511
Kleptsyn, Victor
Funding for this research was provided by:
National Science Foundation (DMS-1301515, IIS-1018433)
Russian Foundation for Basic Research (13-01-00969-a, 10-01-93115-CNRS_a)
Article History
Received: 5 August 2014
Accepted: 3 November 2015
First Online: 20 June 2016