@article{AFM_1963_316-335_a15, author = {Olli Tammi}, title = {On a method of extremalization in the class {Sk} of univalent functions}, journal = {Annales Fennici Mathematici}, publisher = {mathdoc}, volume = {316-335}, year = {1963}, doi = {10.5186/aasfm.1963.320}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1963.320/} }