000			00302nam a2200133Ia 4500
005			20240722130926.0
008			240717s9999 xx 000 0 und d
020			_a8173280134
041			_aeng
100			_aB S Vatssa
245			_aDiscrete Mathematics
260			_aNew Delhi _c1993
300			_a273
999			_c46190 _d46190