@article{PIM2_1988__43(57)_257805, author = {Obradovi\'c, Milutin and Owa, Shigeyoshi}, title = {A note on certain class defined by {Ruscheweyh} derivatives.}, journal = {Publications de l 'Institut Math\'ematique. Nouvelle S\'erie}, pages = {59}, publisher = {mathdoc}, volume = {43(57)}, year = {1988}, zbl = {0651.30014}, language = {en}, url = {https://geodesic-test.mathdoc.fr/item/PIM2_1988__43(57)_257805/} }