Selective excitations of a Kerr-nonlinear resonator: exactly solvable approachAnna R. Shahinyan, Anahit R. Tamazyan and Gagik Yu. KryuchkyanEur. Phys. J. D, 70 6 (2016) 131DOI: https://doi.org/10.1140/epjd/e2016-60707-7