“A NUMERICAL SCHEME ON S-MESH FOR THE SINGULARLY PERTURBED INITIAL BOUNDARY VALUE SOBOLEV PROBLEMS WITH LARGE TIME DELAY: SOLVING SINGULARLY PERTURBED IBV SOBOLEV PROBLEMS WITH LARGE TIME DELAY USING S-MESH METHOD” (2023) ҚазҰУ Хабаршысы. Математика, механика, информатика сериясы, 117(1), pp. 93–111. doi:10.26577/JMMCS.2023.v117.i1.08.