@article{PDMA_2014_7_a52,
     author = {A. V. Gavrikov},
     title = {Algorithm for constructing {T-irreducible} extension of polygonal digraphs},
     journal = {Prikladnaya Diskretnaya Matematika. Supplement},
     pages = {124--126},
     publisher = {mathdoc},
     number = {7},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDMA_2014_7_a52/}
}