@inproceedings{p.1984two,
title={Two theorems of N. Wiener for solutions of quasilinear elliptic equations},
author={P. Lindqvist, and O. Martio},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203305005631376},
booktitle={Acta Mathematica},
volume={155},
number={1},
pages={153-171},
year={1984},
}
P. Lindqvist, and O. Martio. Two theorems of N. Wiener for solutions of quasilinear elliptic equations. 1984. Vol. 155. In Acta Mathematica. pp.153-171. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203305005631376.