000 00578nam a22002057a 4500
003 NUST - PNEC
005 20170116180825.0
008 150701b xxu||||| |||| 00| 0 eng d
020 _a0713508515
040 _cLIBRARY
082 _a515.33 PIA
100 _94293
_aPiaggio, H.T. H.
245 _aAn elementary treatise on differential equations and their applications
_cH. T. H. Piaggio
250 _a3rd ed.
260 _aLondon:
_bC. Bell and Sons, Ltd.,
_cc1971.
300 _a256 p. :
_c20 cm.
650 _xME
651 _xDifferential Equations
942 _2ddc
_cBK
999 _c63845
_d63845