4 results
25.—On the Eigenfunction Expansion associated with a Singular Complex-valued Fourth-order Differential Equation*
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- Journal:
- Proceedings of the Royal Society of Edinburgh. Section A: Mathematics / Volume 75 / Issue 4 / 1976
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- 14 February 2012, pp. 325-332
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- 1976
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6.—On the Distribution of the Eigenvalues and the Order of the Eigenfunctions of a Fourth-order Singular Boundary Value Problem
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- Journal:
- Proceedings of the Royal Society of Edinburgh Section A: Mathematical and Physical Sciences / Volume 71 / Issue 1 / 1972
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- 14 February 2012, pp. 61-75
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- 1972
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XIII.—The Spectrum of a Fourth-Order Differential Operator*
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- Journal:
- Proceedings of the Royal Society of Edinburgh Section A: Mathematical and Physical Sciences / Volume 68 / Issue 3 / 1970
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- 14 February 2012, pp. 185-210
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- 1970
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VII.—On the Spectrum of Ordinary Second Order Differential Operators.*
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- Journal:
- Proceedings of the Royal Society of Edinburgh Section A: Mathematical and Physical Sciences / Volume 68 / Issue 2 / 1969
- Published online by Cambridge University Press:
- 14 February 2012, pp. 95-119
- Print publication:
- 1969
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