TY - JOUR AU - Riedel, Thomas TI - Cauchy's equation on ?. (Summary). JO - Aequationes mathematicae PY - 1991 VL - 41 IS - 2-3 SP - 121 EP - 121 KW - triangle function; Cauchy equation; continuous Archimedean t-norm; semigroups; sup-continuous solutions UR - http://eudml.org/doc/137399 ER -