000 00294nam a2200109Ia 4500
008 220303s1991 xx 000 0 und d
041 _aeng
082 _a515.35 SHA / DIF
100 _aSharma, J.N.
_997002
245 _aDifferential Equations
260 _aMeerut
_bKrishna Prakashan Mandir
_c1991
999 _c105238
_d105238