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082 _a515
245 _aProceedings of the Royal Society of London:Series A: Mathematical Science Vol 38
_c;
246 _aProceedings of the Royal Society of London:Series A: Mathematical Science Vol 38
260 _aLondon
_bRoyal Society of London
_c1884
650 _aMathematics
999 _c47734
_d47734