000 00295nam a2200121 4500
008 160616s 000 0
245 _aSpectral theory and differential operators
100 _aEdmunds, D.E
100 _aEvans, W.D
500 _aB43 M71
942 _cBK
_2BK3098
080 _a517.98 EDM
999 _c3098
_d3098