@article{10_2140_agt_2011_11_1709,
     author = {Liu, Xiugui},
     title = {On {R} {L~Cohen{\textquoteright}s} \ensuremath{\zeta}{\textendash}element},
     journal = {Algebraic and Geometric Topology},
     pages = {1709--1735},
     year = {2011},
     volume = {11},
     number = {3},
     doi = {10.2140/agt.2011.11.1709},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2011.11.1709/}
}