Chau, Dang, & Nguyen Bui Cuong.
" On the asymptotic behavior of delay differential equations  a n d  i t s  r e l a t i o n s h i p  w i t h  Co- s e m i g r o u p." <em>VNU Journal of Science: Mathematics - Physics</em> [Online], 23.2 (2007): n. pag. Web. 17 May. 2024