Authors: Wang, Yi Qian

Citation: Wang, Yi Qian, Boundedness of Solutions in Asymmetric Oscillations via the Twist Theorem, Acta mathematica Sinica. English series (Print) , 17(2), 2000, pp. 313-318

Authors: Wang, Zhi Guo Wang, Yi Qian

Citation: Wang, Zhi Guo et Wang, Yi Qian, Boundedness of solutions for a class of oscillating potentials without the twist condition, Acta mathematica Sinica. English series (Print) , 26(12), 2010, pp. 2387-2398