@misc{10_1017_S0008414X00041286,
     title = {Erratum},
     journal = {Canadian journal of mathematics},
     pages = {1344--1344},
     year = {1966},
     volume = {18},
     number = {1},
     doi = {10.1017/S0008414X00041286},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0008414X00041286/}
}