000 00263nam a2200121Ia 4500
008 221221s9999 xx 000 0 und d
082 _a510
_bSHA/D
100 _aSharma, J K
245 0 _aDiscrete Mathematics
250 _a3
650 _aMathematics
942 _cBK
999 _c8934
_d8934