%0 Journal Article %T A NOTE ON A SECOND-ORDERNONLINEAR DIFFERENTIAL SYSTEM %J Glasgow mathematical journal %D 2000 %P 195-199 %V 42 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500020048/ %R 10.1017/S0017089500020048 %F 10_1017_S0017089500020048