000			00300nam a2200133Ia 4500
020			_a9788131804520
082			_a511.1 GUP
100			_aGUPTA, S.B.
245			_aDISCRETE MATHEMATICS AND STRUCTURES
250			_aVI
260			_bUNIVERSITY SCIENCE PRESS _c2014
300			_a495
942			_2ddc _cB
999			_c68384 _d68384