000 00338nam a2200121 a 4500
082 _a515.35
_bPIA
100 _aPiaggio, H.T.H.
245 3 _aAn Elementary Treatise on Differential Equations and Their Applications
260 _aNew Delhi:
_bCBS Publishers,
_c1985.
300 _axviii, 256 pages.
500 _aIndex annexed
942 _cREF
999 _c35755
_d35755