TY - JOUR AU - Piaggio, H. T. H. TI - Exceptional Integrals of a not completely Integrable Total Differential Equation JO - Glasgow mathematical journal PY - 1953 SP - 137 EP - 138 VL - 1 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.1017/S2040618500035620/ DO - 10.1017/S2040618500035620 ID - 10_1017_S2040618500035620 ER -