000 00276nam a2200121Ia 4500
008 230413s9999||||xx |||||||||||||| ||und||
082 _a34PI
100 _aPicard, Émile
245 0 _aEquations Differentielles
260 _bGauthier villars
260 _c1930
942 _cBooks
999 _c1961
_d1961