M.K. Dauylbayev, N. Atakhan, и A.E. Mirzakulova, «ASYMPTOTIC EXPANSION OF SOLUTION OF GENERAL BVP WITH INITIAL JUMPS FOR HIGHER-ORDER SINGULARLY PERTURBED INTEGRO-DIFFERENTIAL EQUATION », СФМН, вып. 6, сс. 28–36, дек. 2018.