@misc{10_1017_S000843950002573X,
     title = {Abstract of {Thesis}},
     journal = {Canadian mathematical bulletin},
     pages = {101--102},
     year = {1961},
     volume = {4},
     number = {1},
     doi = {10.1017/S000843950002573X},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S000843950002573X/}
}