@article{RSMUP_1998__99__83_0,
     author = {Zimmermann, Bruno},
     title = {Free products with amalgamation of finite groups and finite outer automorphism groups of free groups},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {83--98},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {99},
     year = {1998},
     mrnumber = {1636583},
     zbl = {0906.20015},
     language = {en},
     url = {http://archive.numdam.org/item/RSMUP_1998__99__83_0/}
}