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@article{MS2_1971__28_166170, author = {Renate McLaughlin}, title = {Some {Extremal} {Problems} for {Functions} {Univalent} in an {Annulus.}}, journal = {Mathematica Scandinavica}, pages = {129--138}, publisher = {mathdoc}, volume = {28}, year = {1971}, zbl = {0222.30013}, url = {http://geodesic.mathdoc.fr/item/MS2_1971__28_166170/} }
Renate McLaughlin. Some Extremal Problems for Functions Univalent in an Annulus.. Mathematica Scandinavica, Tome 28 (1971), pp. 129-138. http://geodesic.mathdoc.fr/item/MS2_1971__28_166170/