@article{ZNSL_2014_421_a5,
     author = {V. P. Gerdt and A. M. Khvedelidze and Yu. G. Palii},
     title = {Describing orbit space of global unitary actions for mixed qudit states},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {68--80},
     publisher = {mathdoc},
     volume = {421},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2014_421_a5/}
}