Hillman, Jonathan A.. "Two-knot groups with torsion free abelian normal subgroups of rank two.." Commentarii mathematici Helvetici 63.4 (1988): 664-671. <http://eudml.org/doc/140138>.
@article{Hillman1988, author = {Hillman, Jonathan A.}, journal = {Commentarii mathematici Helvetici}, keywords = {2-knot group; torsion free abelian normal subgroup; commutator subgroup; cyclic branched covers of twist spun torus knots}, number = {4}, pages = {664-671}, title = {Two-knot groups with torsion free abelian normal subgroups of rank two.}, url = {http://eudml.org/doc/140138}, volume = {63}, year = {1988}, }
TY - JOUR AU - Hillman, Jonathan A. TI - Two-knot groups with torsion free abelian normal subgroups of rank two. JO - Commentarii mathematici Helvetici PY - 1988 VL - 63 IS - 4 SP - 664 EP - 671 KW - 2-knot group; torsion free abelian normal subgroup; commutator subgroup; cyclic branched covers of twist spun torus knots UR - http://eudml.org/doc/140138 ER -