@article{JCA_2012_19_4_JCA_2012_19_4_a6,
     author = {Y. Gao},
     title = {Piecewise {Smooth} {Lyapunov} {Function} for a {Nonlinear} {Dynamical} {System}},
     journal = {Journal of convex analysis},
     pages = {1009--1015},
     publisher = {mathdoc},
     volume = {19},
     number = {4},
     year = {2012},
     url = {http://geodesic.mathdoc.fr/item/JCA_2012_19_4_JCA_2012_19_4_a6/}
}