Dalbekova К., Gusmanova Ф., Berkimbaeva С., & Iskakova А. (2020). PROBLEMS OF STABILITY OF LINEAR NON-STATIONARY SYSTEMS ON A FINITE TIME INTERVAL. Bulletin of Abai KazNPU. Series of Physical and Mathematical Sciences, 71(3), 52–58. https://doi.org/10.51889/2020-3.1728-7901.07