Estimating the Eigenvalues of Sturm–Liouville Problems by Approximating the Differential Equation
1973 ◽
Vol 10
(1)
◽
pp. 55-68
◽
1970 ◽
Vol 29
(3)
◽
pp. 467-497
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Keyword(s):
2019 ◽
Vol 16
(09)
◽
pp. 1950140
◽
2000 ◽
Vol 73
(4)
◽
pp. 735-740
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Keyword(s):
1980 ◽
Vol 21
(3)
◽
pp. 365-383
◽
1999 ◽
Vol 127
(10)
◽
pp. 2943-2952
◽
Keyword(s):