@article{03964659, title = {Recurrent and weakly recurrent points in }, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {9}, year = {1986}, pages = {319-322}, doi = {10.1155/S016117128600039X}, zbl = {0598.43003}, language = {en}, url = {http://dml.mathdoc.fr/item/03964659} }
Nassar, Mostafa. Recurrent and weakly recurrent points in . International Journal of Mathematics and Mathematical Sciences, Tome 9 (1986) pp. 319-322. doi : 10.1155/S016117128600039X. http://gdmltest.u-ga.fr/item/03964659/