Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1986__192_173757, author = {Wolfram Koepf}, title = {On {Nonvanishing} {Univalent} {Functions} with {Real} {Coefficients.}}, journal = {Mathematische Zeitschrift}, pages = {575--580}, publisher = {mathdoc}, volume = {192}, year = {1986}, zbl = {0599.30030}, url = {http://geodesic.mathdoc.fr/item/MZ_1986__192_173757/} }
Wolfram Koepf. On Nonvanishing Univalent Functions with Real Coefficients.. Mathematische Zeitschrift, Tome 192 (1986), pp. 575-580. http://geodesic.mathdoc.fr/item/MZ_1986__192_173757/