@article{DAN_1991_316_6_a22,
     author = {S. P. Ionov},
     title = {Mixed-valence bipolaronic crystals},
     journal = {Doklady Akademii Nauk},
     pages = {1383--1385},
     year = {1991},
     volume = {316},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_316_6_a22/}
}