@article{MZM_2001_69_4_a11,
     author = {R. I. Grigorchuk and P. de la Harpe},
     title = {One-Relator {Groups} of {Exponential} {Growth} {Have} {Uniformly} {Exponential} {Growth}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {628--630},
     publisher = {mathdoc},
     volume = {69},
     number = {4},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2001_69_4_a11/}
}