00510nam a2200169Ia 4500003000900000008004100009020001800050040001600068080001600084100001600100245009800116260003900214300001600253650002500269650002700294650001900321IN-BaIIA211028s9999    xx            000 0 eng d  a0-486-60349-0  cIIA Library  a517.91bINC  aInce, E. L. 0aOrdinary differential equationscE. L. Ince                                                    aNew YorkbDover Publicationsc1956  aviii, 558p.  aAnalysis-mathematics  aDifferential equations  aNASA Thesaurus