000 00321nam a2200121 4500
008 160616s 000 0
245 _aSpectral theory and problems diffraction
100 _aBirman, M Sh, Ed.
440 _atopics in mathematical physics, 2
500 _aC5:3 K8
942 _cBK
_2BK9097
080 _a535.33 BIR
999 _c9097
_d9097