TY - JOUR AU - Rachůnek, Jiří AU - Šalounová, Dana TI - Modal operators on bounded commutative residuated $\ell $-monoids JO - Mathematica slovaca PY - 2007 SP - [321] VL - 57 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MASLO_2007__57_4_a2/ LA - en ID - MASLO_2007__57_4_a2 ER -