%0 Journal Article %A Brauer, Fred %T Elementary partial differential equations, by Paul W. Berg and James L. McGregor. Holden-Day Inc., San Francisco, 1966. xv + 421 pages. $11. 95. %J Canadian mathematical bulletin %D 1968 %P 327-327 %V 11 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0008439500029210/ %R 10.1017/S0008439500029210 %F 10_1017_S0008439500029210