Angular distributions of relativistic electrons under channeling in half – wavelength crystal and corresponding radiation / Y. Takabayashi, V. G. Bagrov, O. V. Bogdanov [et al.] // Nuclear instruments and methods in physics research. Section B : Beam interactions with materials and atoms. 2015. Vol. 355. P. 188-192. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000548630