@article{DM_1990_2_3_a6,
     author = {A. V. Knyazev},
     title = {Dichotomous graphs with maximal girth},
     journal = {Diskretnaya Matematika},
     pages = {56--64},
     publisher = {mathdoc},
     volume = {2},
     number = {3},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_1990_2_3_a6/}
}