000 00379pam a2200157a 44500
008 160408b1971 xxu||||| |||| 00| 0 eng d
082 _a512.5
_bV711kEs
100 _aVilenkin, N. Ya.
245 1 _aCOMBINATORICS
260 _aNew York
_bAcademic Press
_c1971
300 _a296
650 _aCombinations
700 _aShenitzer, S.
964 _gCIRC
997 _aA20486 C
999 _c257121
_d257121