@article{10_1017_S0008439500027193,
     author = {Bruns, G.},
     title = {Abstract {Sets} and {Finite} {Ordinals,} by {G.} {B.} {Keene.} {International} {Series} of {Monographs} in {Pure} and {Applied} {Mathematics,} {Vol.} 23. {Pergamon} {Press,} 1961.x + 106 pages. $3,50.},
     journal = {Canadian mathematical bulletin},
     pages = {323--323},
     year = {1964},
     volume = {7},
     number = {2},
     doi = {10.1017/S0008439500027193},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0008439500027193/}
}