Molnár, Emil
Szirmai, Jenő
Vesnin, Andrei
Funding for this research was provided by:
Laboratory of Quantum Topology, Chelyabinsk State University (contract no. 14.Z50.31.0020)
Ministry of Education and Science of the Russian Federation (RU) (the state task number 1.1260.2014/K)
RFBR (grant number 16-01-00414)