Semigroups of operators, cosine operator functions, and linear differential equations
1991 ◽
Vol 54
(4)
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pp. 1042-1129
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2004 ◽
Vol 122
(2)
◽
pp. 3055-3174
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Keyword(s):
2019 ◽
Vol 74
(3)
◽
pp. 121-126
1959 ◽
Vol 7
(3)
◽
pp. 306-310
◽
2010 ◽
Vol 30
(4)
◽
pp. 1291-1300
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