@article{oai:repository.dl.itc.u-tokyo.ac.jp:00040277,
 author = {Hirano, Katsuhiro},
 issue = {2},
 journal = {Journal of mathematical sciences, the University of Tokyo},
 month = {},
 note = {application/pdf},
 pages = {299--332},
 title = {Determination of the Limiting Coefficient for Exponential Functionals of Random Walks with Positive Drift},
 volume = {5},
 year = {1998}
}