000 00328nam a2200109Ia 45e0
008 181001s1983 xx 000 0 und d
100 _aSharma & Gupta
245 0 _aDifferential Equations
260 _aMeerut
_bKrishna prk.mandir
_c1983
300 _a460
942 _2ddc
_cBK
999 _c3291
_d3291