TY - JOUR AU - Clark, Colin TI - Problems and solutions in ordinary differential equations, by F. Brauer and J. A. Nohel. W. A. Benjamin, Inc., New York, 1968. JO - Canadian mathematical bulletin PY - 1969 SP - 245 EP - 246 VL - 12 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0008439500030307/ DO - 10.1017/S0008439500030307 ID - 10_1017_S0008439500030307 ER -