000 00421nam a2200133Ia 4500
008 210828s9999 xx 000 0 und d
082 _aB .P03
100 _a"Gajalakshmi, K "
245 0 _aOn P-Hynormal Operators
260 _aCoimbatore
260 _b PSG College of Arts and Science
260 _c2003
942 _cBK
999 _c137199
_d137199