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@BOOK{Bogomolov_1997,
  author       = {А. М. Богомолов and В. Н. Салий},
  title        = {Алгебраические основы теории дискретных систем},
  publisher    = {Наука},
  address      = {Москва},
  year         = {1997},
  language     = {russian},
}

@article{bigalke1979hamiltonsche,
  title={{\"U}ber hamiltonsche kreise und unabh{\"a}ngige ecken in graphen},
  author={Bigalke, A and Jung, HA},
  journal={Monatshefte f{\"u}r Mathematik},
  volume={88},
  number={3},
  pages={195--210},
  year={1979},
  publisher={Springer},
  language        = {deutsch},
}

@article{dirac1952some,
  title={Some theorems on abstract graphs},
  author={Dirac, Gabriel Andrew},
  journal={Proceedings of the London Mathematical Society},
  volume={3},
  number={1},
  pages={69--81},
  year={1952},
  publisher={Oxford Academic}
}

@article{bondy1976method,
  title={A method in graph theory},
  author={Bondy, J Adrian and Chv{\'a}tal, Vasek},
  journal={Discrete Mathematics},
  volume={15},
  number={2},
  pages={111--135},
  year={1976},
  publisher={Elsevier}
}

@article{mckay2014practical,
  title={Practical graph isomorphism, II},
  author={McKay, Brendan D and Piperno, Adolfo},
  journal={Journal of symbolic computation},
  volume={60},
  pages={94--112},
  year={2014},
  publisher={Elsevier}
}

@article{bauer1995long,
  title={Long cycles in graphs with prescribed toughness and minimum degree},
  author={Bauer, Douglas and Broersma, Haitze J and van den Heuvel, Jan and Veldman, Henk Jan},
  journal={Discrete mathematics},
  volume={141},
  number={1-3},
  pages={1--10},
  year={1995},
  publisher={Elsevier}
}

@article{bauer2006toughness,
  title={Toughness in graphs--a survey},
  author={Bauer, Douglas and Broersma, Hajo and Schmeichel, Edward},
  journal={Graphs and Combinatorics},
  volume={22},
  number={1},
  pages={1--35},
  year={2006},
  publisher={Springer}
}

@article{ore1960note,
  title={A note on hamiltonian circuits},
  author={Ore, Oystein},
  journal={American Mathematical Monthly},
  volume={67},
  pages={55},
  year={1960}
}

@article{posa1963circuits,
  title={On the circuits of finite graphs},
  author={P{\'o}sa, Lajos},
  journal={Magyar Tud. Akad. Mat. Kutat{\'o} Int. K{\"o}zl},
  volume={8},
  pages={355--361},
  year={1963}
}

@article{abrosimov2016graphs,
  title={Практические задания по графам},
  author={Абросимов, МБ and Долгов, АА},
  journal={Саратов: Научная книга.--2008},
  year={2016}
}

@book{harary_1973,
  title={Теория графов},
  author={Харари, Фрэнк},
  year={1973},
  publisher={Издательство" Мир}
}

@book{graph6,
  title={Description of graph6, sparse6 and digraph6 encodings [{Э}лектронный ресурс]},
  note={URL:~\url{http://users.cecs.anu.edu.au/~bdm/data/formats.txt} (Дата обращения 05.06.2022). Загл. с экр. Яз. англ.}},
}