@article{ZNSL_2019_485_a0,
     author = {V. Abgaryan and A. Khvedelidze and A. Torosyan},
     title = {The global indicator of classicality of an arbitrary $N$-level quantum system},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {5--23},
     publisher = {mathdoc},
     volume = {485},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2019_485_a0/}
}