@article{DM_1990_2_1_a4,
     author = {A. S. Ambrosimov},
     title = {An asymptotic formula for the number of self-inverse labeled oriented graphs},
     journal = {Diskretnaya Matematika},
     pages = {43--49},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_1990_2_1_a4/}
}