References
- Gohberg , I. and Feldman , I. 1974. . “ Convolution equations and projectional methods for their solutions ” . In Translations of Math. Monographs , Vol. 41 , AMS .
- Gohberg , I. , Lerer , L. and Rodman , L. 1978 . On canonical factorization of operator polynomials, spectral divisors and Toeplitz matrices . Integral Equations and Operator Theory , 1/2 1978.
- Widom , H. 1973. . Toeplitz determinants with singular generating functions . Amer. J. Math , 95