@article{04118674, title = {Convolution and differential subordination.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {12}, year = {1989}, pages = {333-340}, doi = {10.1155/S0161171289000384}, zbl = {0683.30023}, language = {en}, url = {http://dml.mathdoc.fr/item/04118674} }
Shanmugam, T.N. Convolution and differential subordination.. International Journal of Mathematics and Mathematical Sciences, Tome 12 (1989) pp. 333-340. doi : 10.1155/S0161171289000384. http://gdmltest.u-ga.fr/item/04118674/