@article{VUU_2011_3_a3,
     author = {A. A. Gryzlov and E. S. Bastrykov},
     title = {On closures of countable sets in {Stone} space of one {Boolean} algebra},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {37--42},
     publisher = {mathdoc},
     number = {3},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2011_3_a3/}
}