?url_ver=Z39.88-2004&rft_id=10.1088%2F1742-6596%2F1943%2F1%2F012137&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Soomro%2C+H.&rft.aulast=Soomro&rft.aufirst=H.&rft.issn=17426588&rft.date=2021&rft.title=Convergence+of+the+3-point+block+backward+differentiation+formulas+with+off-step+point+for+stiff+ODEs&rft.genre=proceeding