. . . "1981" . . "978886789" . . "IMA Journal of Numerical Analysis" . . . . "IMA J. Numer. Anal." . . "0272-4979" . "IMA Journal of Numerical Analysis" . . "81643470" . "Hybrid" . "Quarterly" . . . . "2019" . . "2.275" . . . . . . "1464-3642" .