@article{10_4153_CJM_1993_011_9,
     author = {Brunner, A. M. and Burns, R. G. and Oates-Williams, Sheila},
     title = {On {Almost} {Primitive} {Elements} of {Free} {Groups} {With} an {Application} to {Fuchsian} {Groups}},
     journal = {Canadian journal of mathematics},
     pages = {225--254},
     year = {1993},
     volume = {45},
     number = {2},
     doi = {10.4153/CJM-1993-011-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1993-011-9/}
}