00433    a2200133   4500008004200000020001800042082002000060100002300080245008300103250000900186260003400195300003000229440004000259250123b        |||||||| |||| 00| 0 eng d   a9783031336997  a515.35bT241.PD  aTaylor, Michael E.  aPartial differential equations IIb: qualitative studies of linear equations /  a3rd.  aSwitzerland:bSpringer,c2023  axxiii, 687p. Bibl. index.  aApplied Mathematical Sciences ; 116