@article{MT_1994_28_a3,
     author = {E. N. Goncharov},
     title = {A mathematical model and method for solving a two-level standardization problem},
     journal = {Matemati\v{c}eskie trudy},
     pages = {77--90},
     year = {1994},
     volume = {28},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MT_1994_28_a3/}
}