@article{SM_2000_191_11_a2,
     author = {A. B. Merkov},
     title = {Segment-arrow diagrams and invariants of ornaments},
     journal = {Sbornik. Mathematics},
     pages = {1635--1666},
     publisher = {mathdoc},
     volume = {191},
     number = {11},
     year = {2000},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2000_191_11_a2/}
}