@article{PA_2015_4_2_a5,
     author = {A. P. Terwase and M. Darus},
     title = {Certain properties of an operator involving subordination},
     journal = {Problemy analiza},
     pages = {65--72},
     publisher = {mathdoc},
     volume = {4},
     number = {2},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PA_2015_4_2_a5/}
}