@article{VMUMM_2008_1_a3,
     author = {A. M. Sokolovskaya},
     title = {Semi-lattices of bicompact $G$-extensions},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {17--21},
     publisher = {mathdoc},
     number = {1},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2008_1_a3/}
}