@article{10_4153_CJM_1994_017_8,
     author = {Jones, Roger L. and Olsen, James},
     title = {Multiparameter {Weighted} {Ergodic} {Theorems}},
     journal = {Canadian journal of mathematics},
     pages = {343--356},
     year = {1994},
     volume = {46},
     number = {2},
     doi = {10.4153/CJM-1994-017-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1994-017-8/}
}