@article{SM_1998_189_1_a3,
     author = {R. I. Grigorchuk},
     title = {An example of a~finitely presented amenable  group not belonging to the~class~$EG$},
     journal = {Sbornik. Mathematics},
     pages = {75--95},
     publisher = {mathdoc},
     volume = {189},
     number = {1},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1998_189_1_a3/}
}