@article{DM_2016_28_1_a4,
     author = {K. A. Popkov},
     title = {Tests of contact closure for contact circuits},
     journal = {Diskretnaya Matematika},
     pages = {87--100},
     publisher = {mathdoc},
     volume = {28},
     number = {1},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2016_28_1_a4/}
}