Ribenboim, P. Algebraic theory of higher-order derivations. (English) Zbl 0246.17011 Trans. R. Soc. Canada, Ser. IV 7, 279-287 (1969). MSC: 17B40 17B60 13D10 16S80 PDFBibTeX XML
Gerstenhaber, Murray On the deformation of sheaves of rings. (English) Zbl 0213.22802 Global Analysis, Papers in Honor of K. Kodaira 149-157 (1969). Reviewer: J. Johnson MSC: 14D15 14B07 13D10 14F05 PDFBibTeX XML
Frajese, Attilio Attraverso la storia della matematica. (Italian) Zbl 0205.29201 La matematica nella cultura e nella scuola. 3. Firenze: Felice Le Monnier. xi, 371 p. (1969). Reviewer: H. Gericke MSC: 01A30 01A35 26-01 51-03 01A05 03-03 01A55 PDFBibTeX XML
Löttgen, U.; Wagner, K. Über eine einheitliche Methode in der Infinitesimalrechnung. (German) Zbl 0176.00601 Math.-Phys. Semesterber., N. F. 16, 94-116 (1969). Reviewer: Chr. Pauc MSC: 26A99 PDFBibTeX XMLCite \textit{U. Löttgen} and \textit{K. Wagner}, Math.-Phys. Semesterber., N. F. 16, 94--116 (1969; Zbl 0176.00601)