@article{hansevi_2015, 
  title={The obstacle and Dirichlet problems associated with p-harmonic functions in unbounded sets in R^n and metric spaces}, 
  volume={40}, 
  DOI={10.5186/aasfm.2015.4005}, 
  publisher={Finnish Academy of Science and Letters}, 
  author={Hansevi}, 
  year={2015}
  }