000 00273nam a22000977a 4500
008 131219b xxu||||| |||| 00| 0 eng d
100 _aGuilbert .
_95290
245 _aFirst order elliptic systems : a function thoracic approach /
_cGuilbert .
300 _a.
942 _2ddc
_cBK
999 _c39775
_d39775