@article{10_4153_CJM_1980_045_6,
     author = {Lyon, Herbert C.},
     title = {Incompressible {Surfaces} in the {Boundary} of a {Handlebody{\textendash}an} {Algorithm}},
     journal = {Canadian journal of mathematics},
     pages = {590--595},
     year = {1980},
     volume = {32},
     number = {3},
     doi = {10.4153/CJM-1980-045-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1980-045-6/}
}