@article{10_4064_fm205_3_2,
     author = {Ryo Nikkuni and Kouki Taniyama},
     title = {Symmetries of spatial graphs and {Simon} invariants},
     journal = {Fundamenta Mathematicae},
     pages = {219--236},
     publisher = {mathdoc},
     volume = {205},
     number = {3},
     year = {2009},
     doi = {10.4064/fm205-3-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm205-3-2/}
}