@article{10_1017_S0008439500028599,
     author = {Ponzo, P. J.},
     title = {Ordinary {Differential} and {Difference} {Equations:} {Theory} {andApplications,} by {F.} {Chorlton.} {Van} {Nostrand,} {Toronto,Princeton,} 1965. xii +284 pages.},
     journal = {Canadian mathematical bulletin},
     pages = {619--619},
     year = {1967},
     volume = {10},
     number = {4},
     doi = {10.1017/S0008439500028599},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0008439500028599/}
}