@article{DM_1999_11_2_a6,
     author = {I. I. Trub},
     title = {A recurrent algorithm for solving a combinatorial problem on arrangements with restrictions},
     journal = {Diskretnaya Matematika},
     pages = {112--117},
     publisher = {mathdoc},
     volume = {11},
     number = {2},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_1999_11_2_a6/}
}