@article{IM2_1993_41_2_a7,
     author = {Yu. A. Neretin},
     title = {On combinatorial analogs of the group of diffeomorphisms of the circle},
     journal = {Izvestiya. Mathematics },
     pages = {337--349},
     publisher = {mathdoc},
     volume = {41},
     number = {2},
     year = {1993},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1993_41_2_a7/}
}