@article{05245081,
title = {Lower Schwarz-Pick estimates and angular derivatives.},
journal = {Annales Academiae Scientiarum Fennicae. Mathematica},
volume = {33},
year = {2008},
pages = {101-110},
zbl = {1134.30004},
language = {en},
url = {http://dml.mathdoc.fr/item/05245081}
}
Anderson, J.Milne; Vasil'ev, Alexander. Lower Schwarz-Pick estimates and angular derivatives.. Annales Academiae Scientiarum Fennicae. Mathematica, Tome 33 (2008) pp. 101-110. http://gdmltest.u-ga.fr/item/05245081/