M.K. Dauylbayev, N. Atakhan, & A.E. Mirzakulova. (2018). ASYMPTOTIC EXPANSION OF SOLUTION OF GENERAL BVP WITH INITIAL JUMPS FOR HIGHER-ORDER SINGULARLY PERTURBED INTEGRO-DIFFERENTIAL EQUATION . Известия НАН РК. Серия физико-математическая, (6), 28–36. https://doi.org/10.32014/2018.2518-1726.14