@Article{JPDE-13-123, author = {}, title = {Existence Results for the Positive Solutions of a Fourth Order Nonlinear Equations on the Heisenberg Group}, journal = {Journal of Partial Differential Equations}, year = {2000}, volume = {13}, number = {2}, pages = {123--132}, abstract = { In this paper, we give some existence results for a fourth order nonlinear subelliptic equations on the Heisenberg group by the Leray-Schauder degree.}, issn = {2079-732X}, doi = {https://doi.org/}, url = {http://global-sci.org/intro/article_detail/jpde/5501.html} }