@article{SMZ_2007__48_1_55570,
     author = {Sudoplatov, S.V.},
     title = {Powerful digraphs.},
     journal = {Sibirskij Matematicheskij Zhurnal},
     pages = {205},
     publisher = {mathdoc},
     volume = {48},
     number = {1},
     year = {2007},
     zbl = {1164.03316},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/SMZ_2007__48_1_55570/}
}