@article{ZNSL_2008_353_a0,
     author = {T. Bereznyak and P. V. Svetlov},
     title = {A lower bound for the distortion of a~knotted curve},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {5--13},
     publisher = {mathdoc},
     volume = {353},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2008_353_a0/}
}