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21 |
Mathematics of Ramsey theory Berlin : Springer, 1990
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22 |
On the computational complexity of Seidel's switching Kratochvíl, Jan. - Bonn : Inst. für Ökonometrie und Operations-Research, 1990
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23 |
On the computational complexity of Seidel's switching Kratochvíl, Jan. - Bonn : Sonderforschungsbereich 303, 1990
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24 |
Simple tournaments and sharply transitive groups Imrich, Wilfried. - Bonn : Sonderforschungsbereich 303, 1990
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25 |
Simple tournaments and sharply transitive groups Imrich, Wilfried. - Bonn : Inst. für Ökonometrie und Operations Research, 1990
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26 |
The core of a graph Hell, Pavol. - Bonn : Forschungsinst. für Diskrete Mathematik, 1990
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27 |
The core of a graph Hell, Pavol. - Bonn : Sonderforschungsbereich 303, 1990
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28 |
The core of a graph Hell, Pavol. - Bonn : Inst. für Ökonometrie und Operations Research, 1990
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29 |
An unprovable Ramsey-type theorem Loebl, Martin. - Bonn : Forschungsinst. für Diskrete Mathematik, 1989
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30 |
An unprovable Ramsey-type theorem Loebl, Martin. - Bonn : Sonderforschungsbereich 303, 1989
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