00470nam a2200181Ia 4500003000400000005001700004008004100021020001800062040000700080041000800087082001600095100003200111245006500143250000600208260004500214300001600259365001300275OSt20230408105607.0210423s2010    xx            000 0 und d  a9788173198298  cAL  aeng  a515.35 SHAJ  aSHARMA (J N);SINGH (Kehar).  aPartial differential equations for engineers and scientists.  a2  aNew DelhibNarosa Publishing Housec2010  axiv,339bPB  b275cINR