00592nam a2200217 a 4500003000400000005001700004008004100021020002500062040002700087082002000114100002800134245007000162250001200232260004000244300002600284500001900310600000600329650002700335856000600362856000600368OSt20261022171237.0261022b        |||||||| |||| 00| 0 eng d  a9788120342224 (pbk.)  cPondicherry University  222a515.353 RAO  aRao, Shankara KeAuthor  aIntroduction to partial differential equations /cShankara Rao, K  a3rd ed.  bPHI Learning :c2025 :aNew Delhi .  axii, 488 p. ;c24 cm.  aIncludes Index  c_  aDifferential Equations  f_  a_