@article{10_1017_S0008439500028630,
     author = {Ponzo, P. J.},
     title = {Differential {Equations} of {Applied} {Mathematics,} by {G.} {F.} {D.} {Duff} and {D.} {Naylor.} {J.} {Wiley,} {NewYork,} 1966. xi+423 pages. $11.65.},
     journal = {Canadian mathematical bulletin},
     pages = {621--622},
     year = {1967},
     volume = {10},
     number = {4},
     doi = {10.1017/S0008439500028630},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0008439500028630/}
}