TY - JOUR TI - Decompositions of automata and transition semigroups T3 - Acta cybernetica AU - Petković Tatjana PY - 1998 LA - English SN - 0324-721X UR - http://acta.bibl.u-szeged.hu/12598/1/cybernetica_013_numb_004_385-403.pdf ER -