000 00294nam a2200133Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c320
040 _aET
100 _aPathak H.K.
245 0 _aApplied Mathematics
260 _bShiksha Sahityair
_aMeerut
500 _a50649
942 _cBK
999 _c56664
_d56664