Метельков, В. “ESTIMATION OF A RESOURCE OF INDUCTION MOTORS STATOR WINDING INSULATION IN CYCLIC OPERATION”. Bulletin of the South Ural State University Series "Power Engineering", vol. 13, no. 2, Mar. 2023, pp. 96-100, https://www.powervestniksusu.ru/index.php/PVS/article/view/424.