@article{PIM2_1988__43(57)_257797,
     author = {Lee, Sang Keun and Owa, Shigeyoshi and Sekine, Tadayuki and Obradovi\'c, Milutin},
     title = {Distortion theorems for fractional calculus of certain analytic functions with negative coefficients.},
     journal = {Publications de l 'Institut Math\'ematique. Nouvelle S\'erie},
     pages = {65},
     publisher = {mathdoc},
     volume = {43(57)},
     year = {1988},
     zbl = {0665.30009},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/PIM2_1988__43(57)_257797/}
}