Lopushanskaya, G. P., and A. O. Lopushanskyi. “One Inverse Problem for the Diffusion-Wave Equation in Bounded Domain”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 66, no. 5, May 2014, pp. 666–678, https://umj.imath.kiev.ua/index.php/umj/article/view/2168.