PACS:01.30.Cc, 34.50.−s, 34.80.−i (all) DOI:10.1070/PU1967v009n04ABEH003020 URL: https://ufn.ru/en/articles/1967/4/n/ Citation: Drukarev G F, Sena L A "Third All-union conference on physics of electronic and atomic collisions (Khar'kov, 21–28 June 1965)" Sov. Phys. Usp.9 631–636 (1967)