@article{MZM_2003_73_4_a8,
     author = {N. V. Litvinov},
     title = {Domains of $t${-Functions}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {573--576},
     year = {2003},
     volume = {73},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2003_73_4_a8/}
}