@article{GT_2005_9_3_a1,
     author = {Melvin, Paul and Shrestha, Sumana},
     title = {The nonuniqueness of {Chekanov} polynomials of {Legendrian} knots},
     journal = {Geometry & topology},
     pages = {1221--1252},
     publisher = {mathdoc},
     volume = {9},
     number = {3},
     year = {2005},
     doi = {10.2140/gt.2005.9.1221},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2005.9.1221/}
}