International Journal of Numerical Analysis and Modeling (Int. J. Numer. Anal. Model.) (20190101), 16, no.~6, 873-890. ISSN: 1705-5105 (print).eISSN: 2617-8710.
International Journal of Numerical Analysis and Modeling (Int. J. Numer. Anal. Model.) (20190101), 16, no.~2, 297-318. ISSN: 1705-5105 (print).eISSN: 2617-8710.