000 00534nam a2200229Ia 4500
003 OSt
005 20220912153041.0
006 a|||||r|||| 00| 0
007 ta
008 220909b |||||||| |||| 00| 0 eng d
024 _a23499
037 _cTextual
040 _aCSL
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041 _aeng
082 _aB392L84, K3
100 _aLavrentev M A
245 0 _aVariational methods
260 _c1963
300 _ap.
_ccm.
942 _hB392L84, K3
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999 _c97276
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