@article{10_2140_agt_2017_17_2413,
     author = {Suzuki, Masaaki},
     title = {Epimorphisms between 2{\textendash}bridge knot groups and their crossing numbers},
     journal = {Algebraic and Geometric Topology},
     pages = {2413--2428},
     year = {2017},
     volume = {17},
     number = {4},
     doi = {10.2140/agt.2017.17.2413},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2017.17.2413/}
}