@article{10_1090_S0894_0347_2012_00748_6,
     author = {Dosev, Detelin and Johnson, William and Schechtman, Gideon},
     title = {Commutators on {\dh}{\textquestiondown}_{{\dh}‘}, 1\^a‰{\textcurrency}{\dh}‘<\^aˆž},
     journal = {Journal of the American Mathematical Society},
     pages = {101--127},
     publisher = {mathdoc},
     volume = {26},
     number = {1},
     year = {2013},
     doi = {10.1090/S0894-0347-2012-00748-6},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-2012-00748-6/}
}