.245
a	Partial differential equations
h	Book
.020
a	0-19-859632-4
.100
a	WILLIAMS, W. E.
.005
a	20080226191508
.260
a	Oxford
b	Clarendon Press
c	1980
.084
a	515.353 WIL
.300
a	xi, 357 hlm.: gamb.
b	21 cm.
c	xi, 357 hlm.: gamb.; 21 cm.
.490
a	Oxford applied mathematics and computing science series
.336
a	Book