%0 Journal Article %A Piaggio, H. T. H. %T Exceptional Integrals of a not completely Integrable Total Differential Equation %J Glasgow mathematical journal %D 1953 %P 137-138 %V 1 %N 3 %U http://geodesic.mathdoc.fr/articles/10.1017/S2040618500035620/ %R 10.1017/S2040618500035620 %F 10_1017_S2040618500035620