Abdrakhman , B. ., Ryskan, A., Jabayeva , M. ., Makhambetiyarova, U. ., & Ergashev, T. . (2025). SOLVING SYSTEMS OF SECOND-ORDER DIFFERENTIAL EQUATIONS FOR SOME MULTIDIMENSIONAL HYPERGEOMETRIC FUNCTIONS. Bulletin of Abai KazNPU. Series of Physical and Mathematical Sciences, 92(4), 18–29. https://doi.org/10.51889/2959-5894.2025.92.4.002