A. N. Komarenko, “Asymptotics of solutions of spectral problems of hydrodynamics in the neighborhood of angular points”, Ukr. Mat. Zhurn., vol. 50, no. 6, pp. 803–811, Jun. 1998, Accessed: Feb. 17, 2026. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/4890