000 00293nam a2200121 a 4500
082 _a515.353
_bCOP
100 _aCopson, E.T.
245 _aPartial Differential Equations
260 _bS.Chand & Company
_aNew Delhi
_c1975
300 _avii, 279 pages.
500 _aIncludes Index
942 _cBK
999 _c19528
_d19528