@misc{10_1017_S0008439500030228,
     title = {Ontario {Mathematical} {Meetings} - {Winter,} 1969},
     journal = {Canadian mathematical bulletin},
     pages = {116--127},
     year = {1969},
     volume = {12},
     number = {1},
     doi = {10.1017/S0008439500030228},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0008439500030228/}
}