@inbook{book/157,
author = {Khrestos Kepouros and Khrestos K. Kepouros},
title = {Peri Dioptras},
booktitle = {Eronos Alexandreos},
series = {GDML\_Books},
publisher = {$\Epsilon$.$\Mu$.$\Epsilon$.},
year = {1995},
url = {http://dml.mathdoc.fr/item/book/157}
}
Χρήστος Κηπουρός; Χρήστος Κ. Κηπουρός. Περί Δίοπτρας, dans Ήρωνος Αλεξανδρέως, GDML_Books, (1995), . http://gdmltest.u-ga.fr/item/book/157/