@article{RM_2002_57_6_a14,
     author = {R. V. Mikhailov},
     title = {On invisible subgroups},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {1232--1233},
     year = {2002},
     volume = {57},
     number = {6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2002_57_6_a14/}
}