Vitrychenko, I. (2001). On λ-stability of one essentially nonlinear nonautonomous second order equation. Нелінійні коливання.
Chicago Style (17th ed.) CitationVitrychenko, I.E. "On λ-stability of One Essentially Nonlinear Nonautonomous Second Order Equation." Нелінійні коливання 2001.
MLA (8th ed.) CitationVitrychenko, I.E. "On λ-stability of One Essentially Nonlinear Nonautonomous Second Order Equation." Нелінійні коливання, 2001.
Warning: These citations may not always be 100% accurate.