000
00287nam a2200121 4500
008
160616s 000 0
245
_a
Inverse spectral theory
100
_a
Poschel, Jurgen
100
_a
Trubowitz, Eugene
500
_a
B334 M71
942
_c
BK
_2
BK3809
080
_a
517.95 POS
999
_c
3809
_d
3809