@article{SM_2013_204_1_a4,
     author = {N. V. Timofeeva},
     title = {On a~new compactification of moduli of vector bundles on a~surface. {IV:} {Nonreduced} moduli},
     journal = {Sbornik. Mathematics},
     pages = {133--153},
     publisher = {mathdoc},
     volume = {204},
     number = {1},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2013_204_1_a4/}
}