TY - JOUR AU - N. T. Orumbayeva AU - A. T. Assanova AU - A. B. Keldibekova TI - On an algorithm of finding an approximate solution of a periodic problem for a third-order differential equation JO - Eurasian mathematical journal PY - 2022 SP - 69 EP - 85 VL - 13 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EMJ_2022_13_1_a5/ LA - en ID - EMJ_2022_13_1_a5 ER -