000 00352nam a22001337a 4500
005 20250624123828.0
008 250624b |||||||| |||| 00| 0 eng d
041 _aeng
100 _aRao, K. Sankara
245 _aIntroduction to partial differential equations
_c/ by K. Sankara Rao
260 _anew delhi
_bPHI
_c2008
300 _a430p.
942 _cBK
999 _c40431
_d40431