000 00284nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aBali.N.P
245 0 _aDifferential Equations
260 _bLaxmi Publication Ltd
_c1998
300 _a491p
650 _aMathematics
942 _cBK
999 _c31656
_d31656