000 00315nam a2200121Ia 4500
008 190829s9999||||xx |||||||||||||| ||und||
100 _aSharma, J.N
245 0 _aDifferential Equations
260 _bKrishna Prakashan Mandir
_aMeerut
_c1991
650 _aDifferential Equations
700 _aGupta, R.K
942 _cBK
999 _c11178
_d11178