000 00302nam a2200121Ia 4500
008 190719s9999 xx 000 0 und d
082 _a517.38 E49
100 _aEL'SGOL'TS.L.E
245 0 _aDIFFERENTIAL EQUATIONS
260 _aDELHI
_bHindustan Book Agency
_c1961
300 _a21X14
942 _cBK
_2DDC
999 _c45437
_d45437