Daho, K. Y. (1979). Spectral theory of symmetric ordinary differential operators with an indefinite weight function. Uppsala University, Dept. of Mathematics.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDaho, K. Y. Spectral Theory of Symmetric Ordinary Differential Operators with an Indefinite Weight Function. Uppsala: Uppsala University, Dept. of Mathematics, 1979.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDaho, K. Y. Spectral Theory of Symmetric Ordinary Differential Operators with an Indefinite Weight Function. Uppsala University, Dept. of Mathematics, 1979.
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