@article{AL_2011_50_6_a7,
     author = {D. E. Pal'chunov and A. V. Trofimov},
     title = {Local and nonvanishing superatomic {Boolean} algebras with a~distinguished dense subalgebra},
     journal = {Algebra i logika},
     pages = {822--847},
     publisher = {mathdoc},
     volume = {50},
     number = {6},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2011_50_6_a7/}
}