000 00343nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a273084879
082 _a515
082 _b35 C58
100 _a"Clements, D.L"
245 0 _aBoundary Value Problems
260 _aLondon
260 _bPitman
260 _c1981
300 _a"vii, 162"
999 _c23901
_d23901