Duffin, R. J.; Schaeffer, A. C. Khintchine’s problem in metric diophantine approximation. (English) Zbl 0025.11002 Duke Math. J. 8, 243-255 (1941). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 16 ReviewsCited in 58 Documents Keywords:Number theory PDF BibTeX XML Cite \textit{R. J. Duffin} and \textit{A. C. Schaeffer}, Duke Math. J. 8, 243--255 (1941; Zbl 0025.11002) Full Text: DOI OpenURL