MR1086769
Wang, Ke
Ke WANG
On the equation {$x'(t)=f(x(x(t)))$}
Funkcialaj Ekvacioj. Serio Internacia
33
1990
405--425
http://fe.math.kobe-u.ac.jp/FE/Free/vol33/fe33-3-3.pdf
http://fe.math.kobe-u.ac.jp/FE/FE_pdf_with_bookmark/FE31-34-en_KML/fe33-405-425/fe33-405-425.pdf
http://www.ams.org/mathscinet-getitem?mr=MR1086769
fe33-405-425
1990
On the Equation $x'(t)=f(x(x(t)))$
Ke, WANG
Ke, WANG
1
Hale, J.
Theory of Functional Differential Equations
Springer, New York
1977
MR0508721
Cache/Ha/Hale,Functinal,*,1977,1978