%0 Journal Article %A Kornelson, Keri A. %T Local Solvability of Laplacian Difference Operators Arising from the Discrete Heisenberg Group %J Canadian journal of mathematics %D 2005 %P 598-615 %V 57 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2005-024-7/ %R 10.4153/CJM-2005-024-7 %F 10_4153_CJM_2005_024_7