?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=N.&rft.aulast=Zainuddin&rft.au=Zainuddin%2C+N.&rft.volume=53&rft.issn=19929978&rft.issue=1&rft.atitle=Diagonal+Block+Method+for+Stiff+Van+der+Pol+Equation&rft.title=IAENG+International+Journal+of+Applied+Mathematics&rft.date=2023&rft.genre=article