Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /home/conscientiabeam/archive.conscientiabeam.com/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/StyleSheet.php on line 52
(1)
A Simple Criterion for the Non-Existence of Limit Cycles of a Lienard System. 24 2016, 5 (2), 119-122. https://doi.org/10.18488/journal.24/2016.5.2/24.2.119.122.