C. Qian

Oscillation in Differential Equations with Positive and Negative Coefficients

C. Qian, G. Ladas, G. Ladas, 1990, Canadian Mathematical Bulletin.

Oscillation and Global Attractivity in a Periodic Delay Equation

C. Qian, J. R. Graef, P. W. Spikes, 1996, Canadian Mathematical Bulletin.

Stability in a population model

John R. Graef, C. Qian, J. Graef, 1998 .

COMPARISON RESULTS AND LINEARIZED OSCILLATIONS FOR HIGHER-ORDER DIFFERENCE EQUATIONS

C. Qian, G. Ladas, G. Ladas, 1992 .