For citations:
Sukachev D.D., Sokolov A.V., Kolachevsky N.N., Kalganova E.S., Akimov A.V., Sorokin V.N. Sub-doppler laser cooling of thulium atoms in a magneto-optical trap and trapping thulium atoms in a magnetic trap with low gradient of magnetic field. Nanosystems: Physics, Chemistry, Mathematics. 2012;3(1):125-131. (In Russ.)