TY - JOUR AU - Rachůnek, Jiří TI - DRl-semigroups and $MV$-algebras JO - Czechoslovak Mathematical Journal PY - 1998 SP - 365 EP - 372 VL - 48 IS - 2 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/CMJ_1998__48_2_a12/ LA - en ID - CMJ_1998__48_2_a12 ER -