Itard, Jean Arithmétique et théorie des nombres. 3e éd. mise à jour. (French) Zbl 0269.10001 ”Que sais-je?”, Le point des connaissances actuelles. 1093. Paris: Presses Universitaires de France 126 p. F 4.35 (1973). Reviewer: Jörg M. Wills (Berlin) Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 Documents MSC: 11-01 Introductory exposition (textbooks, tutorial papers, etc.) pertaining to number theory 11A55 Continued fractions 11D41 Higher degree equations; Fermat’s equation 11E16 General binary quadratic forms Keywords:quadratic forms; continued fractions; Pell-Fermat equation; open problems PDFBibTeX XML