...
机译:
CSIC, Inst Ciencia Mat Madrid, C Sor Juana Ines de la Cruz 3, E-28049 Madrid, Spain;
Polish Acad Sci, Inst Low Temp & Struct Res, 2 Okolna Str, PL-50422 Wroclaw, Poland;
Belarusian Natl Tech Univ, Ctr Opt Mat & Technol, 65-17 Nezavisimosti Ave, Minsk 220013, Byelarus;