@article{EXMATH_1989__4_2_38301,
     author = {H. Ben-El-Mechaiekh},
     title = {Fixed points for compositions of set-valued maps},
     journal = {Extracta Mathematicae},
     pages = {93},
     publisher = {mathdoc},
     volume = {4},
     number = {2},
     year = {1989},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/EXMATH_1989__4_2_38301/}
}