Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{DEME_1986__27_a3, author = {Nick Kassimatis}, title = {Bass and {Serre} theory and {Nielsen} transformations (free and free product case)}, 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 = {39-46}, publisher = {mathdoc}, volume = {27}, year = {1986}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/DEME_1986__27_a3/} }
Nick Kassimatis. Bass and Serre theory and Nielsen transformations (free and free product case). Δελτίο της Ελληνικής Μαθηματικής Εταιρίας , Tome 27 (1986), p. 39-46. http://geodesic.mathdoc.fr/item/DEME_1986__27_a3/