Title of article :
Bernhard Riemann, 1826–1866: Turning Points in the Conception of Mathematics: By Detlef Laugwitz. Tr. Abe Shenitzer with the editorial assistance of the author, Hardy Grant, and Sarah Shenitzer. Boston (Birkhäuser). 1999. xvii + 357 pp. ISBN 0-8176-4040-1
