@article{10_2140_agt_2005_5_509,
     author = {Dye, H A and Kauffman, Louis H},
     title = {Minimal surface representations of virtual knots and links},
     journal = {Algebraic and Geometric Topology},
     pages = {509--535},
     year = {2005},
     volume = {5},
     number = {2},
     doi = {10.2140/agt.2005.5.509},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2005.5.509/}
}