@article{10_14708_cm_v17i2_5783,
     author = {J. Kaczmarski},
     title = {On some extremal problem for certain classes of close-to-starlike functions},
     journal = {Commentationes Mathematicae},
     pages = { 385--398},
     publisher = {mathdoc},
     volume = {17},
     number = {2},
     year = {1974},
     doi = {10.14708/cm.v17i2.5783},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v17i2.5783/}
}