@article{DAN_1991_320_4_a23,
     author = {V. P. Gromov},
     title = {Correction to: {{\textquotedblleft}Nontrivial} expansion of zero and representative},
     journal = {Doklady Akademii Nauk},
     pages = {776},
     year = {1991},
     volume = {320},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_320_4_a23/}
}