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003 OSt
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024 _a22834
037 _cTextual
040 _aCSL
_beng
_cCSL
041 _aeng
082 _aB334, M0
100 _aGustafson Karl E
245 0 _cGustafson Karl E
_aIntroduction differential equations and hilbert space methods
260 _aNew York
_b John Wiley
_c1980
300 _axv, 270p.
_ccm.
942 _hB334, M0
_cTEXL
_2CC
999 _c48012
_d48012