LenуukM. P., and Shestоpal A. F. “In Bifurcated Solution of the Cauchy Problem for One Class of Parabolic Systems ”. Ukrains’kyi Matematychnyi Zhurnal 23, no. 1 (December 25, 1970): 110-117. Accessed November 24, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/8491.