A note on trigonometric matrices
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- by Garret J. Etgen
- Proc. Amer. Math. Soc. 17 (1966), 1226-1232
- DOI: https://doi.org/10.1090/S0002-9939-1966-0213646-0
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References
- F. V. Atkinson, Discrete and continuous boundary problems, Mathematics in Science and Engineering, Vol. 8, Academic Press, New York-London, 1964. MR 0176141
- John H. Barrett, A Prüfer transformation for matrix differential equations, Proc. Amer. Math. Soc. 8 (1957), 510–518. MR 87821, DOI 10.1090/S0002-9939-1957-0087821-7
- Garret J. Etgen, Oscillatory properties of certain nonlinear matrix differential systems of second order, Trans. Amer. Math. Soc. 122 (1966), 289–310. MR 190421, DOI 10.1090/S0002-9947-1966-0190421-1
- William T. Reid, A matrix differential equation of Riccati type, Amer. J. Math. 68 (1946), 237–246. MR 15610, DOI 10.2307/2371835
- William T. Reid, A Prüfer transformation for differential systems, Pacific J. Math. 8 (1958), 575–584. MR 99474
- William M. Whyburn, Existence and oscillation theorems for non-linear differential systems of the second order, Trans. Amer. Math. Soc. 30 (1928), no. 4, 848–854. MR 1501463, DOI 10.1090/S0002-9947-1928-1501463-1
Bibliographic Information
- © Copyright 1966 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 17 (1966), 1226-1232
- MSC: Primary 34.42
- DOI: https://doi.org/10.1090/S0002-9939-1966-0213646-0
- MathSciNet review: 0213646