000 00309nam a2200121Ia 4500
008 221001s1959 xx 000 0 eng d
082 _a515.35 GOU
100 _aGoursat, Edouard
245 0 _aDifferential equations
260 _aNew York
_bDover Publications
_c1959
300 _avii, 300p.
942 _2ddc
_cBK
999 _c11050
_d11050