References
- Cronin , J. 1964 . Fixed Points and Topological Degree in Nonlinear Analysis , American Mathematical Society . Providence, R.I.
- Erdelsky , P. J. 1973 . Computing the Brouwer degree in R2, Math. Comp. . 27 : 133 – 137 .
- Hadamard , J. 1904 . “ Sur quelques applications de I'indice de Kronecker. In J. Tannery ” . In Introduction à la Theorie des Functions d'une Variable , Paris : Hermann . tome II
- Krasnosel'skii , M. A. 1964 . Topological Methods in the Theory of Nonlinear Integral Equations , New York : Macmillan .
- O'Neil , T. and Thomas , J. 1975 . The calculation of the topological degree by quadrature . SIAM J. Numer. Anal. , 12 : 673 – 680 .