%0 Journal Article
%A Petersen, Gordon M.
%T Diophantine Approximations, by Ivan Niven. Interscience Tracts in Pure and Applied Mathematics, No. 14. Wiley, New York - London, 1963. viii + 68 pages. $5.00.
%J Canadian mathematical bulletin
%D 1964
%P 487-487
%V 7
%N 3
%U http://geodesic.mathdoc.fr/articles/10.1017/S0008439500031994/
%R 10.1017/S0008439500031994
%F 10_1017_S0008439500031994