TY - JOUR DA - 1979 DO - 10.1007/BF01437563 LA - eng IS - 3 M2 - 267 PY - 1979 SN - 0025-5874 SP - 267-289 T2 - Mathematische Zeitschrift TI - Inequalities for a pair of maps S x S -> S with S a finite set UR - https://nbn-resolving.org/urn:nbn:de:0070-pub-17748741 Y2 - 2024-11-21T21:52:53 ER -