@article{ZNSL_2015_440_a4,
     author = {Yu. V. Dymchenko},
     title = {The condition of smallness of girth on {Sub-Finsler} spaces},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {57--67},
     publisher = {mathdoc},
     volume = {440},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2015_440_a4/}
}