@article{10_4153_CJM_2009_036_0,
     author = {Pollack, David and Pollack, Robert},
     title = {A {Construction} of {Rigid} {Analytic} {Cohomology} {Classes} for {Congruence} {Subgroups} of {SL3(Z)}},
     journal = {Canadian journal of mathematics},
     pages = {674--690},
     year = {2009},
     volume = {61},
     number = {3},
     doi = {10.4153/CJM-2009-036-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2009-036-0/}
}