Structural phase states in nickel-titanium surface layers doped with silicon by plasma immersion ion implantation / O. A. Kashin, A. I. Lotkov, A. N. Kudryashov [et.al.] // AIP Conference Proceedings. 2015. Vol. 1683. P. 020078-1-020078-5. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000529022