@article{10_2140_agt_2017_17_657,
     author = {Bhattacharya, Prasit and Egger, Philip and Mahowald, Mark},
     title = {On the periodic v2{\textendash}self-map of {A1}},
     journal = {Algebraic and Geometric Topology},
     pages = {657--692},
     year = {2017},
     volume = {17},
     number = {2},
     doi = {10.2140/agt.2017.17.657},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2017.17.657/}
}