has been cited by the following article(s):
[1]
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Eigenvalues of the sub-Laplacian and deformations of contact structures on a compact CR manifold
Differential Geometry and its Applications,
2015
DOI:10.1016/j.difgeo.2015.01.005
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[2]
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Riesz Means of Dirichlet Eigenvalues for the Sub-Laplace Operator on the Engel Group
Advances in Pure Mathematics,
2013
DOI:10.4236/apm.2013.39A2001
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