@inbook{book/198,
author = {A. Phelloures},
title = {15e Balkanike Mathematike Olumpiada, 1998},
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/198}
}
Α. Φελλούρης. 15η Βαλκανική Μαθηματική Ολυμπιάδα, 1998, dans ΒΑΛΚΑΝΙΚΕΣ ΜΑΘΗΜΑΤΙΚΕΣ ΟΛΥΜΠΙΑΔΕΣ 1984 - 2001, GDML_Books, (2002), . http://gdmltest.u-ga.fr/item/book/198/