@article{10_1017_S0008439500029283,
     author = {Trou\'e, J.},
     title = {Elementary topology: {A} combinatorial and algebraic approach, par {Donald} {Blackett.} {Academic} {Press.} $9.50.},
     journal = {Canadian mathematical bulletin},
     pages = {335--336},
     year = {1968},
     volume = {11},
     number = {2},
     doi = {10.1017/S0008439500029283},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0008439500029283/}
}