%0 Journal Article %A Sharma, A. %T Approximations of functions, by G.G. Lorentz (Syracuse University). Holt, Rinehart and Winston, New York, 1966. ix + 188 pages. U.S. $5. 95. %J Canadian mathematical bulletin %D 1969 %P 99-100 %V 12 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0008439500029970/ %R 10.1017/S0008439500029970 %F 10_1017_S0008439500029970