Existence and asymptotic behavior of solutions of the Cauchy problem $x(x^\prime)^\gamma=f(t,x,x^\prime)$, $x(0)=0$. Neliniini Kolyvannya, [S. l.], v. 6, n. 2, p. 178–190, 2003. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/259. Acesso em: 22 jan. 2026.