1. Todorov, T., Nikolov, N., Todorov, G., and Ralev, Y., Modelling and
investigation of a hybrid thermal energy harvester, MATEC Web
Conf., 2018, vol. 148, p. 12002.
2. Pai, A., A phenomenological model of shape memory alloys including
time-varying stress, Master Thesis in Appl. Sci.,
Waterloo, Ontario, 2007.
3. Krasnosel’skii M.A., Pokrovskii A.V., Sistemy s
gisterezisom (Hysteretic Systems), Moscow: Nauka, 1983.
4. Arutyunov, A.V., Lektsii po vypuklomu i mnogoznachnomu
analizu (Lectures on Convex and Multivalued Analysis), Moscow:
Fizmatlit, 2014.
5. Obmorshev, A.N., Vvedenie v teoriyu kolebanii
(Introduction to Vibration Theory), Moscow: Nauka, 1965.