OMOWO , B. J., and C. E. ABHULIMEN. “ON THE STABILITY OF MODIFIED CRANK-NICOLSON METHOD FOR PARABOLIC PARTIAL DIFFERENTIAL EQUATIONS”. International Journal of Mathematical Sciences and Optimization: Theory and Applications 6, no. 2 (February 2, 2021): 862 - 873. Accessed February 25, 2021. http://ijmso.unilag.edu.ng/article/view/1151.