@article{04095826, title = {Bounded spiral-like functions with fixed second coefficient.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {12}, year = {1989}, pages = {113-118}, doi = {10.1155/S0161171289000153}, zbl = {0669.30006}, language = {en}, url = {http://dml.mathdoc.fr/item/04095826} }
Aouf, M.K. Bounded spiral-like functions with fixed second coefficient.. International Journal of Mathematics and Mathematical Sciences, Tome 12 (1989) pp. 113-118. doi : 10.1155/S0161171289000153. http://gdmltest.u-ga.fr/item/04095826/