Horng-Jaan Li

Nonoscillation criteria for second-order half-linear differential equations

Cheh-Chih Yeh, Horng-Jaan Li, Horng-Jaan Li, 1995 .

The distance between zeros of an oscillatory solution to a half-linear differential equation

Cheh-Chih Yeh, Wei-Cheng Lian, Horng-Jaan Li, 1995 .

Oscillation criteria for second-order neutral delay difference equations

Cheh-Chih Yeh, Horng-Jaan Li, Horng-Jaan Li, 1998 .

Oscillation and Nonoscillation Criteria for Second Order Linear Differential Equations

Cheh-Chih Yeh, Horng-Jaan Li, 1998 .

Oscillation Criteria for Second Order Neutral Differential Equations

Wei-Ling Liu, Horng-Jaan Li, Wei-Ling Liu, 1996, Canadian Journal of Mathematics.