Burgumbayeva, S., Zhussupova, .D. and Koshkarova, .B. 2024. Mathematical modelling of the process of natural gas transportation via pipe networks using crossing-branch method. Journal of Mathematics, Mechanics and Computer Science. 121, 1 (Apr. 2024), 12–26. DOI:https://doi.org/10.26577/JMMCS202412112.