1.
Arzikulov Z, Ergashev T. Particular solutions of the multidimensional singular ultrahyperbolic equation generalizing the telegraph and Helmholtz equations. M [Internet]. 2025 Jun. 30 [cited 2025 Dec. 8];118(2):16-27. Available from: https://mts.buketov.edu.kz/mathematics-vestnik/article/view/706