1. Ahlfors, L.: Complex analysis; Mc-Graw Hill, 1979, 3 rd ed.
2. Câmara, M. C., Lebre, A. B. and Speck, F.-O.: Generalized factorization for a class of Jones form matrix functions; accepted for publication in Proc. R. Soc. Edinburgh. 1992.
3. Carleman, J.: L'intégrale de Fourier et questions qui s'y rattachent, Uppsala, Almquist & Wiksells, 1944.
4. Clancey K. and Gohberg, I.: Factorization of matrix functions and singular integral operators; Birkhäuser, Basel, 1981.
5. Daniele, V. G.: On the solution of two coupled Wiener-Hopf equations; SIAM J. Appl. Math., 44 (1984), 667–680.