@article{10_1017_S0008439500027818,
     author = {Kaufman, H.},
     title = {Contributions to {Differential} {Equations,} {J.} {P.} {LaSalle} and {J.} {B.} {Diaz} (managing editors), vol. {I.} {Interscience} {Publishers,} {New} {York,} 1963. v + 519 pages. $16.50.},
     journal = {Canadian mathematical bulletin},
     pages = {150--150},
     year = {1967},
     volume = {10},
     number = {1},
     doi = {10.1017/S0008439500027818},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0008439500027818/}
}