Botsenyuk О. M. “About Solubility of Initial-Boundary Problem for a System of Half-Linear Equations of Magnetoelasticity”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 44, no. 9, Oct. 1992, pp. 1181-6, https://umj.imath.kiev.ua/index.php/umj/article/view/8167.