Spectral properties of cosine operator functions
1977 ◽
Vol 29
(1-2)
◽
pp. 69-76
◽
Keyword(s):
2009 ◽
Vol 357
(2)
◽
pp. 340-348
◽
1991 ◽
Vol 54
(4)
◽
pp. 1042-1129
◽
1976 ◽
Vol 7
(3-4)
◽
pp. 213-217
◽
Keyword(s):
2005 ◽
Vol 54
(3)
◽
pp. 441-464
◽
1999 ◽
Vol 59
(3)
◽
pp. 1023-1032
◽
1986 ◽
Vol 66
(1)
◽
pp. 73-95
◽