00337nam a2200121 a 450000500170000002000150001708200220003210000170005424500580007126000310012930000220016049000330018220251203090945.0  a0471399647  a515.352,bDD, HIl  aHille, Einar  aOrdinary differential equations in the complex domain  aNew YorkbJohn Wileyc1976  axi, 484p., 22 cm.  aPure and applied mathematics