Alhassan Buhari, Hamisu Musa, Naghmeh Abasi. Convergence and Order of the 2-Point Diagonally Implicit Block Backward Differentiation Formula with Two Off-Step Points. USci [Internet]. 2022 Dec. 30 [cited 2024 May 5];1(2):30-8. Available from: https://scientifica.umyu.edu.ng/index.php/scientifica/article/view/10