Ionization by a strong orthogonal two-color laser field: a quantum-orbit-theory approach A. S. Jašarević, E. Hasović and D. B. Milošević Eur. Phys. J. D, 76 12 (2022) 240 Published online: 12 December 2022 DOI: 10.1140/epjd/s10053-022-00569-2