Τριγωνομετρία
Ευκλείδης, Tome 3 (1975-1976), p. 31
@article{EU_1975-1976_3_a13,
author = {B. B\ensuremath{\alpha}\ensuremath{\lambda}\ensuremath{\acute\alpha}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\varsigma}},
title = {T\ensuremath{\rho}\ensuremath{\iota}\ensuremath{\gamma}\ensuremath{\omega}\ensuremath{\nu}o\ensuremath{\mu}\ensuremath{\varepsilon}\ensuremath{\tau}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\alpha}},
journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma}},
pages = {31},
year = {1975-1976},
volume = {3},
language = {gr},
url = {http://geodesic.mathdoc.fr/item/EU_1975-1976_3_a13/}
}
Β. Βαλάρης. Τριγωνομετρία. Ευκλείδης, Tome 3 (1975-1976), p. 31. http://geodesic.mathdoc.fr/item/EU_1975-1976_3_a13/