Comparison between quantum and classical calculations for above threshold ionization of argon Yuki Orimo, Károly Tökési, Takeshi Sato and Kenichi L. Ishikawa Eur. Phys. J. D, 73 7 (2019) 153 Published online: 25 July 2019 DOI: 10.1140/epjd/e2019-100066-y