@article{10_4064_ap_40_2_193_206,
     author = {Z. J. Jakubowski and A. Zieli\'nska and K. Zyskowska},
     title = {Sharp estimation of even coefficients of bounded symmetric univalent functions},
     journal = {Annales Polonici Mathematici},
     pages = {193--206},
     publisher = {mathdoc},
     volume = {40},
     number = {2},
     year = {1981},
     doi = {10.4064/ap-40-2-193-206},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-40-2-193-206/}
}