@article{DAN_1968_180_4_a16,
     author = {Cao Chi and Nguyẽn V\u{a}n Hi\^eu},
     title = {Free fields of infinite multiplets},
     journal = {Doklady Akademii Nauk},
     pages = {832--835},
     publisher = {mathdoc},
     volume = {180},
     number = {4},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1968_180_4_a16/}
}