000 00380nam a2200169Ia 4500
003 0STCL
008 150530s9999 xx 000 0 und d
040 _aSTCL
_cSTCL
100 _aCopson, E.T.
245 _aPartial differential equations
250 _aFirst
260 _bS.Chand
_c1975
546 _aEnglish
942 _2ddc
_cBK
999 _c22917
_d22917
005 20220125165946.0