@misc{10_1017_S0008439500025625,
     title = {Solutions},
     journal = {Canadian mathematical bulletin},
     pages = {72--78},
     year = {1961},
     volume = {4},
     number = {1},
     doi = {10.1017/S0008439500025625},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0008439500025625/}
}