Ordres &quot;C.A.C.&quot;

Instytut Matematyczny Polskiej Akademii Nauk / Institute of Mathematics / Publishing house / Journals and Serials / Fundamenta Mathematicae / All issues

B. Leclerc, B. Monjardet Fundamenta Mathematicae 79 (1973), 11-22 DOI: 10.4064/fm-79-1-11-22