000			00528nam a2200205Ia 4500
008			240523s9999||||xx |||||||||||||| ||und||
020			_c9.50
040			_aMAIN
041			_aEnglish
082			_a511.32 _bDAS
100			_aDas Gupta, Ashit
245			_aDegree level set theory _cAshit Das Gupta and Shyam Narayan Thakur
250			_a2nd ed.
260			_bBharati bhawan publishers _aPatna _c1989
300			_a100p.
650			_aMathematics
650			_aSet theory
700			_aThakur, Shyam Narayan
942			_cBK
999			_c7039 _d7039