Laser-assisted (e,2e) ionization of atomic hydrogen in a quasi-Sturmian-Floquet approach Sergey A. Zaytsev, Alexandr S. Zaytsev, Lorenzo Ugo Ancarani and Konstantin A. Kouzakov Eur. Phys. J. D, 73 2 (2019) 42 Published online: 21 February 2019 DOI: 10.1140/epjd/e2019-90626-x