Alexandrov A, Sliusar V, Zhdanov V. Caustic Crossing Events and Source Models in Gravitational Lens Systems. Ukr. J. Phys. [Internet]. 2022 Feb. 14 [cited 2026 Apr. 3];56(4):389. Available from: https://ujp.bitp.kiev.ua/index.php/lki/article/view/2022109