PACS:03.65.Pm, 02.30.Em (all) DOI:10.1070/PU1993v036n05ABEH002182 URL: https://ufn.ru/en/articles/1993/5/e/ Citation: Vonsovskii S V, Svirskii M S "The Klein paradox and the zitterbewegung of an electron in a field with a constant scalar potential" Phys. Usp.36 (5) 436–439 (1993)