Konyrkulzhayeva М. and Auzerkhan Г. 2025. АN ELLIPTIC SELF-ADJOINT OPERATOR OF THE SECOND ORDER ON A GRAPH WITH SMALL EDGES. Journal of Mathematics, Mechanics and Computer Science. 128, 4 (Dec. 2025), 72–91. DOI:https://doi.org/10.26577/JMMCS202512846.