TY - JOUR AU - Sikdar, Kripasindhu TI - Decompositions of the state space, homomorphisms and products of semigroup acts JO - Czechoslovak Mathematical Journal PY - 1974 SP - 511 EP - 521 VL - 24 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1974.101270/ DO - 10.21136/CMJ.1974.101270 LA - en ID - 10_21136_CMJ_1974_101270 ER -