• Bogdanov O. V. Probability of radiation of twisted photons by classical currents / O. V. Bogdanov, P. O. Kazinski, G. Yu. Lazarenko // Physical Review A. 2018. Vol. 97, № 3. P. 033837-1-033837-27. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000790020