@article{JRAM_1977__295_151919,
     author = {Karl Sigmund},
     title = {On minimal centers of attraction and generic points.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {72--79},
     publisher = {mathdoc},
     volume = {295},
     year = {1977},
     zbl = {0354.54025},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1977__295_151919/}
}