@article{AL_1984_23_4_a1,
     author = {R. I. Grigorchuk},
     title = {Construction of $p$-groups of intermediate growth that have},
     journal = {Algebra i logika},
     pages = {383--394},
     publisher = {mathdoc},
     volume = {23},
     number = {4},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1984_23_4_a1/}
}