Riesz bases of solutions of Sturm-Liouville equations
2001 ◽
Vol 7
(3)
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pp. 297-307
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2009 ◽
Vol 63
(4)
◽
pp. 473-499
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2006 ◽
Vol 11
(1)
◽
pp. 47-78
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2014 ◽
Vol 19
(3)
◽
pp. 301-334
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2004 ◽
Vol 41
(3)
◽
pp. 347-378
2018 ◽
Vol 58
(11)
◽
pp. 1780-1793
2010 ◽
Vol 12
(2)
◽
pp. 137-142
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