00428nam a2200133Ia 4500100002700000942000700027654001700034245002500051260003600076300000700112546001200119999001700131952014600148  aSharma/J.N/ Gupta/R.K   cBK  amathematical  aMathematical Methods  bKrishna prakashanaMeerutc1990  a88  aENGLISH  c31234d31234  001040708CRCaCRCEbCRCEc1459 | 10d2023-03-17eProgressive Booksg37.50i2076 dt 26.12.92l0o p4103r2023-03-17v37.50w1992-12-26yBK