000 00321nam a22001337a 4500
005 20211028102745.0
008 211028b ||||| |||| 00| 0 eng d
041 _aeng
100 _aJeffrey Rouch
_929595
245 _aPartial differential equations
260 _aDelhi
_bNarosa
_c1991
300 _axx,263
942 _cBK
999 _c197500
_d197500