BibTex format
@article{Bian:2015:10.3934/dcds.2015.35.5413,
author = {Bian, B and Hu, S and Yuan, Q and Zhang, H},
doi = {10.3934/dcds.2015.35.5413},
journal = {Discrete and Continuous Dynamical Systems},
pages = {5413--5433},
title = {Constrained viscosity solution to the HJB equation arising in perpetual American employee stock options pricing},
url = {http://dx.doi.org/10.3934/dcds.2015.35.5413},
volume = {35},
year = {2015}
}