PACS:52.50.Jm, 52.25.Os (all) DOI:10.1070/PU1973v015n04ABEH004990 URL: https://ufn.ru/en/articles/1973/4/d/ Citation: Bunkin F V, Kazakov A E, Fedorov M V "Interaction of intense optical radiation with free electrons (nonrelativistic case)" Sov. Phys. Usp.15 416–435 (1973)