%0 Journal Article %A Hochstadt, H. %T Hill's Equation, by W. Magnus and S. Winkler. Interscience, New York, 1966. viii + 127 pages. $8. 50. %J Canadian mathematical bulletin %D 1967 %P 316-317 %V 10 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0008439500028101/ %R 10.1017/S0008439500028101 %F 10_1017_S0008439500028101