Periodic solutions of differential operator equations: The method of Fourier expansions
1991 ◽
Vol 43
(9)
◽
pp. 1174-1177
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Keyword(s):
1988 ◽
Vol 39
(3)
◽
pp. 228-232
◽
1965 ◽
Vol 2
(3)
◽
pp. 404-420
◽
2006 ◽
Vol 6
(3)
◽
pp. 269-290
◽