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On the matrix Riccati equation. (English) Zbl 0092.07803


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[1] Armando Chiellini, Sui sistemi di Riccati, Rend. Sem. Fac. Sci. Univ. Cagliari 18 (1948), 44 – 58 (1949) (Italian). · Zbl 0041.20904
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[3] E. L. Ince, Ordinary differential equations, London, 1927. · JFM 53.0399.07
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[7] -, Zum Problem von Lagrange, 4 Vorträge, Gehalten in Mathematischen Seminar der Hamburgischen Universität, July 7-24, 1928, Abhandlungen, Hamburg, vol. 6, pp. 273-299.
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