@article{DAN_1989_308_6_a6,
     author = {A. N. Godunov and N. E. Emel'yanov and A. P. Romanov},
     title = {Representation of structured data in the form of a sequence},
     journal = {Doklady Akademii Nauk},
     pages = {1313--1316},
     publisher = {mathdoc},
     volume = {308},
     number = {6},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1989_308_6_a6/}
}