@article{CMFD_2013_51_a5,
     author = {M. W. Chrisman},
     title = {On the combinatorics of smoothing},
     journal = {Contemporary Mathematics. Fundamental Directions},
     pages = {87--109},
     year = {2013},
     volume = {51},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMFD_2013_51_a5/}
}