Mel’nikS. A. “Upper and Lower Bounds of a Solution of the Cauchy Problem for a Stochastic Differential Equation of Parabolic Type With Power Nonlinearities (Weak Source)”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 54, no. 1, Jan. 2002, pp. 63-70, https://umj.imath.kiev.ua/index.php/umj/article/view/4040.