Romanenko V, Romanenko A, Yatsenko L. Analog of the Coherent Population Trapping State in a Polychromatic Field. Ukr. J. Phys. [Internet]. 2022 Feb. 6 [cited 2025 May 7];56(10):975. Available from: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2021457