Kanguzhin, B.E. and Seitova А.А. 2020. On degenerate Sturm-Liouville b oundary value problems on geometric graphs. Journal of Mathematics, Mechanics and Computer Science. 105, 1 (Apr. 2020), 79–86. DOI:https://doi.org/10.26577/JMMCS.2020.v105.i1.07.