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024 _a42070
037 _cTextual
040 _aCSL
_beng
_cCSL
041 _aeng
082 _aB27, M8
100 _aAizenshtat Y A
245 0 _aNineteen papers on algebraic semigropus
260 _c1957
300 _a210p
490 _aAmerican Mathematical Society Transtaltions Series
650 _a Algebraic semigropus
650 _aBiology
942 _hB27, M8
_cTEXL
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999 _c74470
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