@article{1250521809,
author = {Ohtake, Hiromi},
title = {Lifts of extremal quasiconformal mappings of arbitrary Riemann surfaces},
journal = {J. Math. Kyoto Univ.},
volume = {22},
number = {4},
year = {1982},
pages = { 191-200},
language = {en},
url = {http://dml.mathdoc.fr/item/1250521809}
}
Ohtake, Hiromi. Lifts of extremal quasiconformal mappings of arbitrary Riemann surfaces. J. Math. Kyoto Univ., Tome 22 (1982) no. 4, pp. 191-200. http://gdmltest.u-ga.fr/item/1250521809/