@article{GFA_1993__3_6_58113,
     author = {Andrei Reznikov},
     title = {Eisenstein {Matrix} and {Existence} of {Cusp} {Forms} in {Rank} {One} {Symmetric} {Spaces.}},
     journal = {Geometric and functional analysis},
     pages = {79--106},
     publisher = {mathdoc},
     volume = {3},
     number = {6},
     year = {1993},
     url = {http://geodesic.mathdoc.fr/item/GFA_1993__3_6_58113/}
}