@article{urn:eudml:doc:38301, title = {Fixed points for compositions of set-valued maps}, journal = {Extracta Mathematicae}, volume = {4}, year = {1989}, pages = {93-95}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:38301} }
Ben-El-Mechaiekh, H. Fixed points for compositions of set-valued maps. Extracta Mathematicae, Tome 4 (1989) pp. 93-95. http://gdmltest.u-ga.fr/item/urn:eudml:doc:38301/