@article{BASM_2003_2_a7,
     author = {A. I. Gherco},
     title = {Ergodic sets and mixing extensions of topological transformation semigroups},
     journal = {Buletinul Academiei de \c{S}tiin\c{t}e a Republicii Moldova. Matematica},
     pages = {87--94},
     publisher = {mathdoc},
     number = {2},
     year = {2003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BASM_2003_2_a7/}
}