Усманов, Қ.И., and А.С. Жаппар. “UNAMBIGUOUS SOLVABILITY OF A PARTICULAR CASE OF SYSTEMS OF INTEGRODIFFERENTIAL EQUATIONS WITH A PULSED KAEV DISTANCE CONTAINING A PARAMETER”. Bulletin of the Abai KazNPU, the series of "Physical and Mathematical Sciences" 72, no. 4 (December 29, 2020): 78–84. Accessed July 3, 2024. https://bulletin-phmath.kaznpu.kz/index.php/ped/article/view/85.