Bagrov V. G. Vladislav Gavriilovich, Gitman D. M. Dmitry Maksimovich, Zadorozhnyi V. N. Valery Nikolaevich, & Shvartsman Sh. M. (1975). An electron in the field of two classical plane waves propagating in slightly different directions; Soviet Physics Journal; Vol. 18, iss. 1. 1975. https://doi.org/10.1007/BF00889804

Bagrov V. G. Vladislav Gavriilovich, Gitman D. M. Dmitry Maksimovich, Zadorozhnyi V. N. Valery Nikolaevich, and Shvartsman Sh. M. An Electron in the Field of Two Classical Plane Waves Propagating in Slightly Different Directions; Soviet Physics Journal; Vol. 18, Iss. 1. 1975, 1975. https://doi.org/10.1007/BF00889804.

Bagrov V. G. Vladislav Gavriilovich, et al. An Electron in the Field of Two Classical Plane Waves Propagating in Slightly Different Directions; Soviet Physics Journal; Vol. 18, Iss. 1. 1975, 1975. https://doi.org/10.1007/BF00889804.