00409nam 2206408 45000010005000000030023000050050009000280080041000370820012000780200018000901000015001082600037001235000019001602500013001793000015001922450034002076408StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a515.353 a0-387-90327-5 aFritz John bNew York: Springer Verlag c1978 aIncludes Index a3rd. ed. a198p: 24cm aPartial Differental Equations