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Бейсебай, П. and Мухамедиев, Г. 2020. ON THE CONSTRUCTION OF A FUNDAMENTAL SYSTEM OF SOLUTIONS OF A LINEAR HOMOGENEOUS DIFFERENTIAL EQUATION WITH CONSTANT COEFFICIENTS OF AN ARBITRARY ORDER . Bulletin of Abai KazNPU. Series of Physical and mathematical sciences. 70, 2 (Jun. 2020), 53–58. DOI:https://doi.org/10.51889/2020-2.1728-7901.07 .