Diophantine approximations
Ivan Niven.
New York : Interscience Publishers, ©1963.
vi, 68 págs. ; 24 cm.
Serie: Interscience tracts in pure and applied mathematics ; no. 14
"The ninth annual series of Earle Raymond Hedrick Lectures of The Mathematical Association of America."
Reseña: MathSciNet, 26 #6120