@article{10_1017_S0008439500030848,
     author = {Colton, David},
     title = {Lectures on the numerical solution of linear, singular and nonlinear differential equations, by {D.} {Greenspan.} {Prentice} {Hall} {Inc.,} 1968. 185 pages. {U.S.} $6.95.},
     journal = {Canadian mathematical bulletin},
     pages = {539--540},
     year = {1969},
     volume = {12},
     number = {4},
     doi = {10.1017/S0008439500030848},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0008439500030848/}
}