Asymptotic behavior of solutions to second-order nonlinear differential equations. Rogovchenko, Svetlana P.; Rogovchenko, Yuri V. — 2000 Portugaliae Mathematica
On the asymptotic behavior of solutions for a class of second order nonlinear differential equations. Yuri V. Rogovchenko — 1998 Collectanea Mathematica
Periodic boundary value problem for nonlinear first order ordinary differential equations with impulses at fixed moments. Daniel Franco; Juan J. Nieto; Yuri V. Rogovchenko — 1998 Extracta Mathematicae