@Article{JPDE-32-1,
author = {Liamidi, Leadi, A. and Toyou, Robert, L.},
title = {Principal Eigenvalue for Cooperative (p,q)-biharmonic Systems},
journal = {Journal of Partial Differential Equations},
year = {2019},
volume = {32},
number = {1},
pages = {33--51},
abstract = {<p>In this article, we are interested in the simplicity and the existence of the first
strictly principal eigenvalue or semitrivial principal eigenvalue of the (p,q)-biharmonic
systems with Navier boundary conditions.</p>},
issn = {2079-732X},
doi = {https://doi.org/10.4208/jpde.v32.n1.3},
url = {https://global-sci.com/article/88173/principal-eigenvalue-for-cooperative-pq-biharmonic-systems}
}