@article{MM3_2021_25_1_a5,
     author = {Serap Bulut and Abbas Kareem Wanas},
     title = {Coefficient estimates for families of bi-univalent functions defined by {Ruscheweyh} derivative operator},
     journal = {Mathematica Moravica},
     pages = {71 - 80},
     publisher = {mathdoc},
     volume = {25},
     number = {1},
     year = {2021},
     url = {https://geodesic-test.mathdoc.fr/item/MM3_2021_25_1_a5/}
}