%0 Journal Article %A Schwerdtfeger, Hanna %T The Calculus, a genetic approach, by O. Toeplitz. University of Chicago Press, University of Toronto Press, 1963. xiv + 192 pages. $6.50. %J Canadian mathematical bulletin %D 1964 %P 159-160 %V 7 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0008439500026977/ %R 10.1017/S0008439500026977 %F 10_1017_S0008439500026977