A. V. Martynenko, An. F. Tedeev, V. N. Shramenko, “The Cauchy problem for a degenerate parabolic equation with inhomogeneous density and source in the class of slowly decaying initial data”, Izv. RAN. Ser. Mat., 76:3 (2012), 139–156; Izv. Math., 76:3 (2012), 563–580
