00353nam a2200157Ia 4500003000500000008004100005020000900046040000900055041001200064082002300076100001500099100001700114245003900131260000900170650001600179NDCL180829s9999||||ii |||||||||||||| ||eng||  a8418  aNDCL  aEnglish  a517.38 AF216th ed  aAult, J.C.  aAyres, Frank 0aDifferential equationcFrank Ayres  c1994  aMathematics