SkrypnikI. I. (2004) “Regularity of a boundary point for singular parabolic equations with measurable coefficients”, Ukrains’kyi Matematychnyi Zhurnal, 56(4), pp. 506–516. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3772 (Accessed: 24November2024).