@article{10_21136_CMJ_1974_101270,
     author = {Sikdar, Kripasindhu},
     title = {Decompositions of the state space, homomorphisms and products of semigroup acts},
     journal = {Czechoslovak Mathematical Journal},
     pages = {511--521},
     publisher = {mathdoc},
     volume = {24},
     number = {4},
     year = {1974},
     doi = {10.21136/CMJ.1974.101270},
     mrnumber = {0357676},
     zbl = {0324.54021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1974.101270/}
}