000 00264nam a2200109Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aKREYSZIG (ERWIN)
245 0 _aADVANCED ENGG. MATHEMATICS
250 _a10TH
260 _bWILET, INDIA, N. DELHI
942 _2ddc
999 _c99923
_d99923