Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{DEME_1991__32_a16, author = { and S. Bilchev and E. A. Velikova}, title = {M\ensuremath{\varepsilon}\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\sigma}\ensuremath{\chi}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\sigma}\ensuremath{\mu}o\ensuremath{\acute\iota} \ensuremath{\sigma}\ensuremath{\tau}o \ensuremath{\tau}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\gamma}\ensuremath{\omega}\ensuremath{\nu}o \ensuremath{\kappa}\ensuremath{\alpha}\ensuremath{\iota} \ensuremath{\varepsilon}\ensuremath{\varphi}\ensuremath{\alpha}\ensuremath{\rho}\ensuremath{\mu}o\ensuremath{\gamma}\ensuremath{\acute\epsilon}\ensuremath{\varsigma}.}, journal = {\ensuremath{\Delta}\ensuremath{\varepsilon}\ensuremath{\lambda}\ensuremath{\tau}\ensuremath{\acute\iota}o \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\varsigma} E\ensuremath{\lambda}\ensuremath{\lambda}\ensuremath{\eta}\ensuremath{\nu}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta}\ensuremath{\varsigma} M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta}\ensuremath{\varsigma} E\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\iota}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\alpha}\ensuremath{\varsigma} }, pages = {55-64}, publisher = {mathdoc}, volume = {32}, year = {1991}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/DEME_1991__32_a16/} }
; S. Bilchev; E. A. Velikova. Μετασχηματισμοί στο τρίγωνο και εφαρμογές.. Δελτίο της Ελληνικής Μαθηματικής Εταιρίας , Tome 32 (1991), p. 55-64. http://geodesic.mathdoc.fr/item/DEME_1991__32_a16/