@article{10_4064_sm196_1_2,
     author = {Qing Chu},
     title = {Convergence of multiple ergodic averages along cubes
 for several commuting transformations},
     journal = {Studia Mathematica},
     pages = {13--22},
     year = {2010},
     volume = {196},
     number = {1},
     doi = {10.4064/sm196-1-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm196-1-2/}
}