00298nam a2200109Ia 4500008004100000040002500041082001900066100002200085245006400107260000900171300000800180230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a515.353 I61992  aDerenoski, Amelie 0aIntroduction to the Theory of Linear Differential Equations  c2015  a232