AbdikalikovaG. A., BerzhanovA. B., & KenzhebaevK. K. (2014). Multiperiodic Solution of a Boundary-Value Problem for one Class of Parabolic Equations with Multidimensional Time. Ukrains’kyi Matematychnyi Zhurnal, 66(5), 645–655. Retrieved from https://umj.imath.kiev.ua/index.php/umj/article/view/2166