00361nam a2200121Ia 4500008004100000020001800041040002500059082001700084100001800101245006800119260004200187300001000229240301s9999    xx            000 0 und d  a9781984623621  aNORSU-BaycNORSU-Bay  a517.382  A77  a3G E-learning 0a3GE Collection on Mathematics: Ordinary Differential Equations   aNew York, NYb3G E-learning LLCc2019  a239 p