000 00258nam a2200109Ia 4500
008 201224s9999||||xx |||||||||||||| ||und||
100 _aSharma,B.D.
_9723
245 0 _aDifferential Equations
260 _aIndia
_bKedar Nath Ram Nath
500 _a124
942 _cBK
999 _c637
_d621