Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{EUG_1990__27_a12, author = {Yiannis Tsertos}, title = {On the circle-exponent function}, journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma} }, pages = {137-147}, publisher = {mathdoc}, volume = {27}, year = {1990}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/EUG_1990__27_a12/} }
Yiannis Tsertos. On the circle-exponent function. Ευκλείδης Γ , Tome 27 (1990), p. 137-147. http://geodesic.mathdoc.fr/item/EUG_1990__27_a12/