Volkov, Ivan Andreevich, et al. “A Model of Damaged Medium for Evaluating the Durability of Structures Subjected to Combined Low- and High-Cycle Fatigue Loading”. Computational Continuum Mechanics, vol. 5, no. 1, May 2012, pp. 54-60, https://doi.org/10.7242/1999-6691/2012.5.1.7.