000 00321pam a2200145 a 4500
020 _c
041 _aeng
082 _bPUR
100 _aPurner Biswal .
245 _aOrdinary differntisl eqvatioas
_hTextual Documents
250 _a2008.
260 _a[s.l]:
_bPHI Cearing LTD .
300 _a494 pg .
930 _a1284
999 _c78208
_d78208