00362nam a2200133Ia 4500008004100000020002200041082001100063082001000074100002200084245005700106260001300163260004300176260000900219230118s9999||||xx |||||||||||||| ||und||  a978-0-07-061609-7  a515.35  bSIM/D  ageorge fbsimmons 0adifferential equations theory technique,and practice  anewdelhi  btata mcgrawhill publishing company ltd  c2007