[1]
S. . Alkhatib y V. P. . Kostov, «The Schur-Szegö Composition of Real Polynomials of Degree 2», Rev. mat. complut., vol. 21, n.º 1, pp. 191–206, abr. 2008, doi: https://doi.org/10.5209/rev_REMA.2008.v21.n1.16454