000 00246nam a2200109Ia 4500
020 _a007463710X
082 _a511.1
100 _aLISSCHUTZ, SOYMOUR
245 _aTHEORY & PROBLEMS OF DISCRETE MATHEMATICS
260 _aTMH
_b TMH
_c1976
942 _cBK
999 _c4535
_d4535