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024 _a60893
037 _cTextual
040 _aCSL
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041 _aeng
082 _aB0C, J6
100 _aJeffreys Harold
245 0 _aMethods of mathematical physics
250 _a3
260 _c1956
300 _ap.
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650 _a Mathematical physics
650 _aMathematics
700 _a Swirles Bertha
942 _hB0C, J6
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999 _c79859
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