• Baldiotti M. C. Two interacting spins in external fields and application to quantum computation / M. C. Baldiotti, V. G. Bagrov, D. M. Gitman // Physics of particles and nuclei letters. 2009. Vol. 6, № 7. P. 559-562. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000436326