%0 Journal Article %A Brauer, Fred %T Ordinary Differential Equations, by L. S. Pontryagin. Translated from the Russian by Leonas Kacinskas and Walter B. Counts. Addison-Wesley, 1962. %J Canadian mathematical bulletin %D 1964 %P 315-316 %V 7 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0008439500027119/ %R 10.1017/S0008439500027119 %F 10_1017_S0008439500027119