00417    a2200157   4500003000600000005001700006008004100023020001800064040000900082100001500091245006000106260001000166500001800176650002700194650003800221GCWUF20180810062647.0180810b        xxu||||| |||| 00| 0 eng d  a9780521670456  cMAIN  aBillingham  aDifferential Equatins Linear Nonlinear ordinary partial  c2018.  aInclude Index  aDifferential equations  aDifferential equations, Nonlinear