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@article{MZ_1993__212_4_174475, author = {L.M. Lopez}, title = {Small knots in {Seifert} fibered 3-manifolds.}, journal = {Mathematische Zeitschrift}, pages = {123--140}, publisher = {mathdoc}, volume = {212}, number = {4}, year = {1993}, zbl = {0789.57009}, url = {http://geodesic.mathdoc.fr/item/MZ_1993__212_4_174475/} }
L.M. Lopez. Small knots in Seifert fibered 3-manifolds.. Mathematische Zeitschrift, Tome 212 (1993) no. 4, pp. 123-140. http://geodesic.mathdoc.fr/item/MZ_1993__212_4_174475/