@article{10_4153_CJM_1995_021_6,
     author = {Herfort, Wolfgang N. and Ribes, Luis and Zalesskii, Pavel A.},
     title = {Fixed {Points} of {Automorphisms} of {Free} {Pro-p} {Groups} of {Rank} 2},
     journal = {Canadian journal of mathematics},
     pages = {383--404},
     year = {1995},
     volume = {47},
     number = {2},
     doi = {10.4153/CJM-1995-021-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1995-021-6/}
}