@article{10_4153_CMB_1970_031_8,
     author = {Wong, James S. W.},
     title = {A {Remark} on a {Theorem} of {Lyapunov}},
     journal = {Canadian mathematical bulletin},
     pages = {141--143},
     year = {1970},
     volume = {13},
     number = {1},
     doi = {10.4153/CMB-1970-031-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1970-031-8/}
}