Tolong jelaskan mengenai Bacaan salajengna dari Leonhard Euler dalam bahasa sunda

Euler Léonhardt : "Lettres à une Princesse d'Allemagne"; free book at http://www.bookmine.org  ;

Euler, Léonhard (1748). Introductio in analysin infinitorum. English translation Introduction to Analysis of the Infinite by John Blanton (Book I, ISBN 0-387-96824-5, Springer-Verlag 1988; Book II, ISBN 0-387-97132-7, Springer-Verlag 1989).

Dunham, William (1999). Euler: The Master of Us All, Washington: Mathematical Association of America. ISBN 0-88385-328-0.

Heimpell, Hermann, Théodor Heuss, Benno Reifenberg (editors). 1956. Die großen Deutschen, volume 2, Berlin: Ullstein Verlag.

Krus, D.J. (2001) Is normal distribution due to Karl Gauss? Euler, his family of gamma functions, and place in history of statistics. Quality and Quantity: International Journal of Methodology, 35, 445-446.(Request reprint).

Simmons, J. (1996). The giant book of scientists: The 100 greatest minds of all time, Sydney: The Book Company.

Singh, Simon. (2000). Fermats letzter Satz, Munich: Deutscher Taschenbuch Verlag.

Lexikon der Naturwissenschaftler, Spektrum Akademischer Verlag Heidelberg, 2000.