00381nam a2200133Ia 4500008004100000082002100041245003800062245002300100260003500123260000900158300002000167526003200187650002800219250428s9999    xx            000 0 und d  a515.35 R13e 1981 0aElementary differential equations 0cRainville, Earl D.  bMacmillan Publishing Co., Inc.  c1981  axiv, 529 pages.  a500 Natural Sciences & Math  aDifferential equations.