1000-2367
1981 Issue 2
..............page:1-18
..............page:2
..............page:19-40
..............page:41-80
..............page:81-98
..............page:99-126
An Analysts of Structure of Ляаунов Functions in A Family of Fourth Order Nonlinear System
Zhu Ming Shu
Zhu Ming Shu
..............page:127-142
A Discussion on the Second Order Differential Equation of Forced Oscillation of Type with Variational Coefficient
Wang mei—juan
Wang mei—juan
..............page:143-166
STABILITY OF SINGULAR POINTS FOR A THIRD ORDER PLL EQUATION
liu quan bao ;
liu quan bao ;
..............page:167-176
An Analysts of Singular Points of A Third Order Phase Locked Loops Equation with Tangent Property
Lu Zhiqi
Lu Zhiqi
..............page:177-189
ON BEGINNING POLYNOMIALS OF UNIVALENT FUNCTIONS
Gao Shuxian
Gao Shuxian
..............page:191-199
..............page:200-207
Some problems in the comonotone approximation
Liu Rui-zhi
Liu Rui-zhi
..............page:209-220
Several Problm About Approximation on Real Variblc Function
Liu Zhan-sheng
Liu Zhan-sheng
..............page:221-235