000 00276nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aNull
245 0 _aDifferential Equations Parta
260 _bKedernath Ramnath
300 _a118p
650 _aMathematics
942 _cBK
999 _c30935
_d30935