On evaluating functionals of the eigenfunctions of a boundary value problem for a system of linear ordinary differential equations
1974 ◽
Vol 13
(1)
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pp. 297-305
1995 ◽
Vol 193
(3)
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pp. 889-908
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1989 ◽
Vol 33
(2)
◽
pp. 391-402
1992 ◽
Vol 13
(8)
◽
pp. 745-754
◽
1949 ◽
Vol 1
(4)
◽
pp. 379-396
◽