@article{paperid:1036375, author = {Ghane Ostadghassemi, Fateme Helen and Nazari, Mahboubeh and M. Saleh and Shabani Siahkalde, Zahra}, title = {ROBUST DENSITY OF PERIODIC SINKS AND SOURCES FOR ITERATED FUNCTION SYSTEMS}, journal = {International Journal of Pure and Applied Mathematics}, year = {2013}, volume = {86}, number = {2}, month = {May}, issn = {1311-8080}, pages = {359--364}, numpages = {5}, keywords = {iterated function systems; minimal iterated function systems; attracting periodic orbits; repelling periodic orbits}, }