Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{DEME_1961__02A_a0, author = {C. L. Goudas}, title = {Three-dimensional periodic orbits and their stability}, 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 = {1-22}, publisher = {mathdoc}, volume = {02A}, year = {1961}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/DEME_1961__02A_a0/} }
C. L. Goudas. Three-dimensional periodic orbits and their stability. Δελτίο της Ελληνικής Μαθηματικής Εταιρίας , 02A (1961), p. 1-22. http://geodesic.mathdoc.fr/item/DEME_1961__02A_a0/