@article{GDZPPN002360144, title = {Quasihyperbolic geodesics in John domains.}, journal = {Mathematica Scandinavica}, volume = {64}, year = {1989}, pages = {75-92}, zbl = {0702.30007}, url = {http://dml.mathdoc.fr/item/GDZPPN002360144} }
Martio, O.; Gehring, F.W.; Hag, K. Quasihyperbolic geodesics in John domains.. Mathematica Scandinavica, Tome 64 (1989) pp. 75-92. http://gdmltest.u-ga.fr/item/GDZPPN002360144/