000			00296nam a2200133Ia 4500
008			230917s9999||||xx |||||||||||||| ||und||
040			_e91567 _aMAIN
041			_aEnglish
082			_a512.4 A53C
100			_aAnil Kumar
245		0	_aCodes over certain rings
300			_a54 p.
942			_cTH
999			_c72043 _d72043