This paper concerns with the study of the stability of one equilibrium solution of an autonomous analytic Hamiltonian system in a
neighborhood of the equilibrium point with $1$-degree of freedom in the degenerate case $H= q^4+ H_5+ H_6+\cdots$. Our main results complete the study initiated by Markeev in [9].	
	
		
		
	
	
	
	
																		
						Keywords:						
												
						Hamiltonian system, equilibrium solution, type of stability, normal form, critical cases, Lyapunov’s Theorem, Chetaev’s Theorem						
						
						
												
						
							
						
						
		
Citation:
	
	Gutierres R., Vidal C., Stability of Equilibrium Points for a Hamiltonian Systems with One Degree of Freedom in One Degenerate Case, Regular and Chaotic Dynamics,	
	2017, Volume 22, Number 7,
	 pp. 880-892