@article{1183501635,
author = {Szeg\"o, G.},
title = {Concerning sets of polynomials orthogonal simultaneously on several circles},
journal = {Bull. Amer. Math. Soc.},
volume = {45},
number = {11},
year = {1939},
pages = { 129-132},
language = {en},
url = {http://dml.mathdoc.fr/item/1183501635}
}
Szegö, G. Concerning sets of polynomials orthogonal simultaneously on several circles. Bull. Amer. Math. Soc., Tome 45 (1939) no. 11, pp. 129-132. http://gdmltest.u-ga.fr/item/1183501635/