Geodesic
Homomorphisms of Triangle Groups with Large Injectivity Radius
Acta mathematica Universitatis Comenianae, Tome 72 (2003) no. 2 
M. Abas. Homomorphisms of Triangle Groups with Large Injectivity Radius. Acta mathematica Universitatis Comenianae, Tome 72 (2003) no. 2. http://geodesic.mathdoc.fr/item/AMUC_2003_72_2_a14/
@article{AMUC_2003_72_2_a14,
     author = {M. Abas},
     title = {Homomorphisms of {Triangle} {Groups} with {Large} {Injectivity} {Radius}},
     journal = {Acta mathematica Universitatis Comenianae},
     year = {2003},
     volume = {72},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/AMUC_2003_72_2_a14/}
}
TY  - JOUR
AU  - M. Abas
TI  - Homomorphisms of Triangle Groups with Large Injectivity Radius
JO  - Acta mathematica Universitatis Comenianae
PY  - 2003
VL  - 72
IS  - 2
UR  - http://geodesic.mathdoc.fr/item/AMUC_2003_72_2_a14/
ID  - AMUC_2003_72_2_a14
ER  - 
%0 Journal Article
%A M. Abas
%T Homomorphisms of Triangle Groups with Large Injectivity Radius
%J Acta mathematica Universitatis Comenianae
%D 2003
%V 72
%N 2
%U http://geodesic.mathdoc.fr/item/AMUC_2003_72_2_a14/
%F AMUC_2003_72_2_a14

Voir la notice de l'article provenant de la source Comenius University

We prove a new upper bound on the smallest order $o(l,m,n;r)$ of a finite group that is a homomorphic image of a triangle group $\tlmn$ with injectivity radius at least $r$.