000 00321nam a2200097Ia 4500
008 120224s9999 xx 000 0 und d
082 _a515.35
_bCLE
100 _aClements, David L.
245 _aBoundary value problems governed by second order elliptic systems
260 _bPit,man Advanced Publishing
_aBoston
_c1981
999 _c142185
_d142185