00385nam a2200133 a 450000500170000002000180001708200170003510000220005224500350007426000540010930000270016349000420019050000190023220251203112242.0  a9780821848593  a515.353bEVA  aEvans, Lawrence C  aPartial differential equations  aRhode IslandbAmerican Mathematical Societyc2009  axviii,662p.c24cm.bPB  aGraduate Studies in Mathematicsdv.19  aincludes index