When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
The main results examined were obtained by L. S. Pontryagin and the authors. E. F. Mishchenko N. Kh. Applications of Relaxation Oscillations 1. Smooth Dependence. Poincare's Theorem. Second-Order Systems.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.