00302nam a2200109Ia 4500008004100000082001800041100002100059245006600080250001200146260002600158300000800184240913s9999||||xx |||||||||||||| ||und||  a515.35  SIM/D  aGeorge F Simmons 0aDifferential Equations With Apllications and Historical Notes  a3rd Ed.  bCRC PressaNULLc2017  a740