• [1] Earl A. Coddington and Norman Levinson, Theory of ordinary differential equations, McGraw-Hill Book Company, Inc., New York-Toronto-London, 1955. MR 0069338 (16,1022b)
• [2] L. Collatz, Einschliessungssatz für die charakteristischen Zahlen von Matrizen, Math. Z. 48 (1942), 221–226 (German). MR 0008590 (5,30d)
• [3] F. R. Gantmacher, The theory of matrices, Vol. II, Chelsea, New York, 1959.
• [4] James A. Jenkins, Univalent functions and conformal mapping, Ergebnisse der Mathematik und ihrer Grenzgebiete. Neue Folge, Heft 18. Reihe: Moderne Funktionentheorie, Springer-Verlag, Berlin, 1958. MR 0096806 (20 #3288)
• [5] M. Lavie, On classes of analytic functions whose values fulfill given conditions, M.Sc. Thesis, Technion, Haifa, 1960 (Hebrew. English summary).
• [6] Zeev Nehari, Some inequalities in the theory of functions, Trans. Amer. Math. Soc. 75 (1953), 256–286. MR 0056704 (15,115c), http://dx.doi.org/10.1090/S0002-9947-1953-0056704-1
• [7] Zeev Nehari, On an inequality of Lyapunov, Studies in mathematical analysis and related topics, Stanford Univ. Press, Stanford, Calif., 1962, pp. 256–261. MR 0145149 (26 #2684)
• [8] Zeev Nehari, On the zeros of solutions of 𝑛-th order linear differential equations, J. London Math. Soc. 39 (1964), 327–332. MR 0162004 (28 #5206)
• [9] A. M. Ostrowski, Positive matrices and functional analysis, Recent Advances in Matrix Theory (Proc. Advanced Seminar, Math. Res. Center, U.S. Army, Univ. Wisconsin, Madison, Wis., 1963), Univ. Wisconsin Press, Madison, Wis., 1964, pp. 81–101. MR 0169858 (30 #101)
• [10] Helmut Wielandt, Unzerlegbare, nicht negative Matrizen, Math. Z. 52 (1950), 642–648 (German). MR 0035265 (11,710g)

Bibliography

[1]

E. A. Coddington and N. Levinson, Theory of ordinary differential equations, McGraw-Hill, New York, 1955. MR 0069338 (16:1022b)

[2]

L. Collatz, Einschliessungssatz für die charakteristischen Zahlen von Matrizen, Math. Z. 48 (1942), 221-226. MR 0008590 (5:30d)

[3]

F. R. Gantmacher, The theory of matrices, Vol. II, Chelsea, New York, 1959.

[4]

J. A. Jenkins, Univalent functions and conformal mapping, Springer, Berlin, 1958. MR 0096806 (20:3288)

[5]

M. Lavie, On classes of analytic functions whose values fulfill given conditions, M.Sc. Thesis, Technion, Haifa, 1960 (Hebrew. English summary).

[6]

Z. Nehari, Some inequalities in the theory of functions, Trans. Amer. Math. Soc. 75 (1953), 256-286. MR 0056704 (15:115c)

[7]

-, On an inequality of Lyapunov, Studies in mathematical analysis and related topics; essays in honour of George Pólya, pp. 256-261, Stanford Univ. Press, Stanford, Calif., 1962. MR 0145149 (26:2684)

[8]

-, On the zeros of solutions of th order linear differential equations, J. London Math. Soc. 39 (1964), 327-332. MR 0162004 (28:5206)

[9]

A. M. Ostrowski, Positive matrices and functional analysis, Proc. Advanced Seminar, Math. Res. Center, U.S. Army, pp. 81-101, Univ. Wisconsin Press, Madison, Wis., 1964. MR 0169858 (30:101)

[10]

H. Wielandt, Unzerlegbare, nicht negative Matrizen, Math. Z. 52 (1950), 642-648. MR 0035265 (11:710g)