Howard, James C.; Tashjian, Howard An algorithm for deriving the equations of mathematical physics by symbolic manipulation. (English) Zbl 0213.18702 Commun. ACM 11, 814-818 (1968). MSC: 68Q25 76D05 PDFBibTeX XMLCite \textit{J. C. Howard} and \textit{H. Tashjian}, Commun. ACM 11, 814--818 (1968; Zbl 0213.18702) Full Text: DOI
Lions, J. L. Réduction à des problèmes du type Cauchy-Kowaleska. (French) Zbl 0179.22502 C.I.M.E., 2. Ciclo Ispra (Varese) 1967, Numer. Anal. Partial Differ. Equ., 269-281 (1968). Reviewer: W. Schönauer MSC: 76D05 76M25 76M20 65M06 PDFBibTeX XML Full Text: DOI