IvasyshenS. D., and PasichnykH. S. “On the Cauchy Problem for $\mathop {2b}\limits^ \to$ -Parabolic Systems With Growing Coefficients”. Ukrains’kyi Matematychnyi Zhurnal 52, no. 11 (November 25, 2000): 1484-1496. Accessed July 22, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4555.