Ahlbrandt, C. D. Equivalent boundary value problems for self-adjoint differential systems. (English) Zbl 0218.34020 J. Differ. Equations 9, 420-435 (1971). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 11 Documents MSC: 34B15 Nonlinear boundary value problems for ordinary differential equations × Cite Format Result Cite Review PDF Full Text: DOI References: [1] Ahlbrandt, Calvin D., Disconjugacy criteria for self-adjoint differential systems, J. Differential Eqs., 6, 271-295 (1969) · Zbl 0175.09301 [2] Barrett, John H., Disconjugacy of second-order linear differential equations with nonnegative coefficients, (Proc. Amer. Math. Soc., 10 (1959)), 552-561 · Zbl 0092.08103 [3] Barrett, John H., Disconjugacy of a self-adjoint differential equation of the fourth order, Pacific J. Math., 11, 25-37 (1961) · Zbl 0105.06701 [4] Bolza, Oskar, Lectures on the Calculus of Variations (1904), University of Chicago Press: University of Chicago Press Chicago · Zbl 0098.07203 [5] Hille, Einar, Nonoscillation theorems, Trans. Amer. Math. Soc., 64, 234-252 (1948) · Zbl 0031.35402 [6] Hunt, Robert W., The behavior of solutions of ordinary self-adjoint differential equations of arbitrary even order, Pacific J. Math., 12, 945-961 (1962) · Zbl 0118.08701 [7] Leighton, Walter; Nehari, Zeev, On the oscillation of solutions of self-adjoint linear differential equations of the fourth order, Trans. Amer. Math. Soc., 89, 325-377 (1958) · Zbl 0084.08104 [8] Reid, William T., A Prüfer transformation for differential systems, Pacific J. Math., 8, 575-584 (1958) · Zbl 0102.30004 [9] Reid, William T., Oscillation criteria for self-adjoint differential systems, Trans. Amer. Math. Soc., 101, 91-106 (1961) · Zbl 0114.29202 [10] Reid, William T., Riccati matrix differential equations and nonoscillation criteria for associated linear differential systems, Pacific J. Math., 13, 665-685 (1963) · Zbl 0119.07401 [11] Sternberg, Robert L., Variational methods and nonoscillation theorems for systems of differential equations, Duke Math. J., 19, 311-322 (1952) · Zbl 0049.18704 [12] Wintner, Aurel, On the nonexistence of conjugate points, Amer. J. Math., 73, 368-380 (1951) · Zbl 0043.08703 This reference list is based on information provided by the publisher or from digital mathematics libraries. Its items are heuristically matched to zbMATH identifiers and may contain data conversion errors. In some cases that data have been complemented/enhanced by data from zbMATH Open. This attempts to reflect the references listed in the original paper as accurately as possible without claiming completeness or a perfect matching.