00442nam a2200145Ia 4500003000400000005001700004008004100021020001800062082001600080100002400096245005400120260005000174300001600224655005600240OSt20150613113130.0120327s9999    xx            000 0 und d  a9780821848593  a515.353 EVA  aEvans, Lawrence C.   aPartial Differential EquationscLawrence C. Evans  bAmerican Mathematical SocietyaNew Yorkc2009  axvii; 662p.  bMathematicsbPartial Differential EquationsbLinear