Periodic Differential Operators
2019 ◽
Vol 368
(2)
◽
pp. 799-842
◽
2007 ◽
Vol 18
(06)
◽
pp. 857-956
◽
2011 ◽
Vol 22
(5)
◽
pp. 751-775
◽
1965 ◽
Vol 12
(2)
◽
pp. 187-234
◽
2019 ◽
Vol 18
(1)
◽
pp. 397-424
◽
Eigenfunction expansions associated with one-dimensional periodic differential operators of order 2n
2007 ◽
Vol 41
(1)
◽
pp. 54-72
◽