VerbaI. I., and KolodyI. M. “An A Priori Estimate for the Modulus of Continuity of a Generalized Solution of a Parabolic Equation of Divergent Form With Degeneracy”. Ukrains’kyi Matematychnyi Zhurnal 53, no. 2 (February 25, 2001): 190-202. Accessed November 24, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4234.