@article{GDZPPN002348721,
title = {An Asymptotic Formula for the Derivatives of Orthogonal Polynomials of the Unit Circle.},
journal = {Mathematica Scandinavica},
volume = {20},
year = {1967},
pages = {32-40},
zbl = {0181.34902},
url = {http://dml.mathdoc.fr/item/GDZPPN002348721}
}
Hörup, Christian. An Asymptotic Formula for the Derivatives of Orthogonal Polynomials of the Unit Circle.. Mathematica Scandinavica, Tome 20 (1967) pp. 32-40. http://gdmltest.u-ga.fr/item/GDZPPN002348721/