@article{RSMUP_1969__42__341_0, author = {Holmes, Charles S.}, title = {Projectivities of free products}, journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova}, volume = {42}, year = {1969}, pages = {341-387}, mrnumber = {268286}, zbl = {0245.20031}, language = {en}, url = {http://dml.mathdoc.fr/item/RSMUP_1969__42__341_0} }
Holmes, Charles S. Projectivities of free products. Rendiconti del Seminario Matematico della Università di Padova, Tome 42 (1969) pp. 341-387. http://gdmltest.u-ga.fr/item/RSMUP_1969__42__341_0/
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