@article{ZNSL_1991_193_a2,
     author = {Yu. V. Drobotukhina},
     title = {Classification of links in $\mathbb{R}\mathrm{p}^3$ with at most 6 crossings},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {39--63},
     publisher = {mathdoc},
     volume = {193},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1991_193_a2/}
}