@article{IM2_2009_73_4_a5,
     author = {V. V. Shevchishin},
     title = {Lagrangian embeddings of the {Klein} bottle and combinatorial properties of mapping class groups},
     journal = {Izvestiya. Mathematics },
     pages = {797--859},
     publisher = {mathdoc},
     volume = {73},
     number = {4},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2009_73_4_a5/}
}