Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{CMH_1968__43_139355, author = {G.C. Sethares}, title = {The {Extremal} {Property} of {Certain} {Teichm\"uller} {Mappings.}}, journal = {Commentarii mathematici Helvetici}, pages = {98--120}, publisher = {mathdoc}, volume = {43}, year = {1968}, zbl = {0162.38002}, url = {http://geodesic.mathdoc.fr/item/CMH_1968__43_139355/} }
G.C. Sethares. The Extremal Property of Certain Teichmüller Mappings.. Commentarii mathematici Helvetici, Tome 43 (1968), pp. 98-120. http://geodesic.mathdoc.fr/item/CMH_1968__43_139355/