Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) BEN-EL-MECHAIEKH H.,Points fixes et coincidences pour les function multivoques II,C. R. Acad. Sci. Paris Ser.,,,1982,295,,381-388,https://cir.nii.ac.jp/crid/1570009750548857728,