@article{ZNSL_2009_365_a11,
     author = {A. L. Smirnov},
     title = {Binary projective space},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {208--224},
     year = {2009},
     volume = {365},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2009_365_a11/}
}