@article{MZM_2000_67_6_a5,
     author = {R. I. Grigorchuk},
     title = {Branch groups},
     journal = {Matemati\v{c}eskie zametki},
     pages = {852--858},
     publisher = {mathdoc},
     volume = {67},
     number = {6},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2000_67_6_a5/}
}