Lax, Anneli; Lax, Peter D. On sums of squares. (English) Zbl 0371.15013 Linear Algebra Appl. 20, 71-75 (1978). MSC: 15A69 15A63 11E16 11P05 PDFBibTeX XMLCite \textit{A. Lax} and \textit{P. D. Lax}, Linear Algebra Appl. 20, 71--75 (1978; Zbl 0371.15013) Full Text: DOI
Lax, Peter; Burstein, Samuel; Lax, Anneli Calculus with applications and computing. Vol. I. (English) Zbl 0348.26003 Undergraduate Texts in Mathematics. New York - Heidelberg - Berlin: Springer-Verlag. XI, 513 p., cloth DM 36.20; $ 14.80 (1976). MSC: 26-01 26A06 00A05 PDFBibTeX XML
Lax, Peter D.; Burstein, Samuel Z.; Lax, Anneli Calculus with applications and computing. Vol. l. (English) Zbl 0264.26002 New York: Courant Institute of Mathematical Sciences, New York University. XIII, 551 p. $ 9.75 (1972). MSC: 26-01 26-04 26A06 65D99 PDFBibTeX XML