@article{SM_2025_216_3_a4, author = {V. M. Buchstaber}, title = {Kolmogorov widths, {Grassmann} manifolds and unfoldings of time series}, journal = {Sbornik. Mathematics}, pages = {314--332}, publisher = {mathdoc}, volume = {216}, number = {3}, year = {2025}, language = {en}, url = {http://geodesic.mathdoc.fr/item/SM_2025_216_3_a4/} }