@article{GDZPPN002343630, title = {Some extremal problems for trigonometricaland complex polynomials}, journal = {Mathematica Scandinavica}, volume = {3}, year = {1955}, pages = {5-20}, zbl = {0065.30301}, url = {http://dml.mathdoc.fr/item/GDZPPN002343630} }
HYLTÉN-CAVALLIUS, CARL. Some extremal problems for trigonometricaland complex polynomials. Mathematica Scandinavica, Tome 3 (1955) pp. 5-20. http://gdmltest.u-ga.fr/item/GDZPPN002343630/