Tietze, H. (1965). Famous problems of mathematics: Solved and unsolved mathematical problems from antiquity to modern times (Authorized transl. from the second (1959) rev. German ed.). Graylock Pr.
Chicago-Zitierstil (17. Ausg.)Tietze, Heinrich. Famous Problems of Mathematics: Solved and Unsolved Mathematical Problems from Antiquity to Modern Times. Authorized transl. from the second (1959) rev. German ed. New York: Graylock Pr, 1965.
MLA-Zitierstil (9. Ausg.)Tietze, Heinrich. Famous Problems of Mathematics: Solved and Unsolved Mathematical Problems from Antiquity to Modern Times. Authorized transl. from the second (1959) rev. German ed. Graylock Pr, 1965.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.