@article{10_4153_CMB_2018_012_1, author = {Li, Liangliang and Tian, Jing and Chen, Goong}, title = {Chaotic {Vibration} of a {Two-dimensional} {Non-strictly} {Hyperbolic} {Equation}}, journal = {Canadian mathematical bulletin}, pages = {768--786}, year = {2018}, volume = {61}, number = {4}, doi = {10.4153/CMB-2018-012-1}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2018-012-1/} }