00482nam a2200193Ia 4500003000400000005001700004008004100021020002200062040000700084041000800091082002300099100001500122245003600137260003900173300001700212365001600229650002700245650001600272OSt20230517151925.0210423s1956    xx            000 0 und d  a978-0-486-60349-0  cAL  aeng  a515.352223b INCO  aINCE (E L)  aOrdinary differential equations  aNew YorkbDover publicationsc1956  aviii,558bPB  b1448.7cINR  aDifferential Equations  aMathematics