@article{10_4153_CMB_1968_093_x,
     author = {Houston, R. and Kaul, S.K.},
     title = {Some {Remarks} on a {Paper} of {Wong}},
     journal = {Canadian mathematical bulletin},
     pages = {747--749},
     year = {1968},
     volume = {11},
     number = {5},
     doi = {10.4153/CMB-1968-093-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1968-093-x/}
}