Irrational numbers.
Guenther, Siegmund, 1848- **E. 5111.18 Die quadratischen Irrationalitaten der Alten und deren Entwicke- lungsmethoden.
(In Abhandlungen zur Geschichte der Mathematik. Heft 4, pp. 1-134. Leipzig. 1882.)
This card was printcd at the Boston oe Public Library, October 3, 1924.
Moso1 — Arithmetic. Hist. — Irrational numbers.