Litovchenko, V. A., & Unguryan, G. (2017). Fundamental solution of the Cauchy problem for the Shilov-type parabolic systems with coefficients of bounded smoothness. Ukrains’kyi Matematychnyi Zhurnal, 69(3), 348-364. Retrieved from https://umj.imath.kiev.ua/index.php/umj/article/view/1701