Brief Communications

Third-order differential operators with a second-order distribution coefficient

N. P. Bondarenko<sup>abc

a</sup> Saratov State University
^b Samara National Research University
^c Moscow Center for Fundamental and Applied Mathematics

MSC: 34A55, 34B09, 34B40, 34L40

Received: 30.10.2025
Accepted: 12.11.2025

DOI: 10.4213/mzm14890