@misc{10_1017_S0017089500020048,
     title = {A {NOTE} {ON} {A} {SECOND-ORDERNONLINEAR} {DIFFERENTIAL} {SYSTEM}},
     journal = {Glasgow mathematical journal},
     pages = {195--199},
     year = {2000},
     volume = {42},
     number = {2},
     doi = {10.1017/S0017089500020048},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500020048/}
}