0	0.05808	system systems invariant case theorem point points phase 
1	0.08333	equations obtain solution ejde lemma system solutions global 
2	0.11841	solutions lemma theorem proof let solution problem equations 
3	0.07006	equations solution differential solutions theorem x(t u(t let 
4	0.05429	model system solutions ejde solution f(z equations theorem 
5	0.02552	let traveling lim theorem lemma proof ejde u(x 
6	0.14087	equation solution problem boundary equations ejde solutions function 
7	0.12629	let theorem function problem space solution proof ejde