000			00350nam a2200145Ia 4500
008			130318s9999 xx 000 0 und d
020			_a9788126527908
082			_a511.1 SIN/D
100			_aSingh, Y.N
245			_aDiscrete mathematical structures
260			_bWiley _aNew Delhi _c2010
300			_a340
650			_aALGEBRA
650			_aSET THEORY
999			_c2314 _d2314