@article{10_4064_ap_26_1_13_29,
     author = {Pawe{\l} Wiatrowski},
     title = {Extremal problems in some class of regular functions defined in the unit circle and applications},
     journal = {Annales Polonici Mathematici},
     pages = {13--29},
     publisher = {mathdoc},
     volume = {26},
     number = {1},
     year = {1972},
     doi = {10.4064/ap-26-1-13-29},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-26-1-13-29/}
}