@inbook{book/192,
     author = {A. Phelloures},
     title = {9e Balkanike Mathematike Olumpiada, 1992},
     booktitle = {$\Beta$$\Alpha$$\Lambda$$\Kappa$$\Alpha$$\Nu$$\Iota$$\Kappa$$\Epsilon$$\Sigma$ $\Mu$$\Alpha$$\Theta$$\Eta$$\Mu$$\Alpha$$\Tau$$\Iota$$\Kappa$$\Epsilon$$\Sigma$ $\Omicron$$\Lambda$$\Upsilon$$\Mu$$\Pi$$\Iota$$\Alpha$$\Delta$$\Epsilon$$\Sigma$ 1984 - 2001},
     series = {GDML\_Books},
     publisher = {$\Epsilon$.$\Mu$.$\Epsilon$.},
     year = {2002},
     url = {http://dml.mathdoc.fr/item/book/192}
}