Schechter, Ervin. “On the Numerical Solution of a Nonlinear Parabolic Equation”. Anal. Numér. Théor. Approx. 8, no. 1 (February 1, 1979): 89–97. Accessed April 26, 2024. https://ictp.acad.ro/jnaat/journal/article/view/1979-vol8-no1-art11.