@article{INTG_1985_17_a0,
     author = {S. S. Ryshkov and E. P. Baranovskii},
     title = {Perfect lattices as admissible centerings},
     journal = {Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara},
     pages = {3--49},
     publisher = {mathdoc},
     volume = {17},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTG_1985_17_a0/}
}