000 00669nam a2200253Ia 4500
003 OSt
005 20220912150846.0
006 a|||||r|||| 00| 0
007 ta
008 220909b |||||||| |||| 00| 0 eng d
024 _a22831
037 _cTextual
040 _aCSL
_beng
_cCSL
041 _aeng
082 _aB334, M0
100 _aWilliams W E
245 0 _cWilliams W E
_aPartial differential equations
260 _aOxfrod
_bClarendon Press
_c1980
300 _axi,357p.
_ccm.
490 _aOxford Applied Mathematics and Computing Science Series
650 _aPartial
942 _hB334, M0
_cTEXL
_2CC
999 _c56425
_d56425