@article{ZNSL_2017_458_a4,
     author = {V. G. Zhuravlev},
     title = {Fractional-linear invariance of multidimensional continued fractions},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {42--76},
     publisher = {mathdoc},
     volume = {458},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2017_458_a4/}
}