For citations:

Imanbaev N.S., Sairam N.N. BASIS PROPERTY OF SYSTEMS OF EIGEN AND ASSOCIATED FUNCTIONS OF A SHTURM-LIOUVILLE MULTIPLE DIFFERENTIATION OPERATOR WITH NONLOCAL «PERTURBED» BOUNDARY CONDITIONS. Herald of the Kazakh-British Technical University. 2026;23(2):53-60. (In Kazakh) https://doi.org/10.55452/1998-6688-2026-23-2-53-60