V. J. Havel
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For the Czech writer and statesman, see Václav Havel.
- Havel, Václav (1955), "A remark on the existence of finite graphs", Časopis pro pěstování matematiky (in Czech) 80: 477–480
- Allenby, R.B.J.T.; Slomson, Alan (2011), "Theorem 9.3: the Havel–Hakimi theorem", How to Count: An Introduction to Combinatorics, Discrete Mathematics and Its Applications (2nd ed.), CRC Press, p. 159, ISBN 9781420082616,
A proof of this theorem was first published by Václav Havel ... in 1963 another proof was published independently by S. L. Hakimi.