Oscillations for first order neutral differential equations with variable coefficients

Shigui Ruan
1991 Bulletin of the Australian Mathematical Society  
In this paper, sufficient conditions for oscillations of the first order neutral differential equation with variable coefficients (x{t) -cx{t -T))' + p(t)x(t -<T) -q(t)x{t -ft) = 0 are obtained, where c, r , a and y. are positive constants, p, q 6 C([to, oo), R + ) .
doi:10.1017/s0004972700028872 fatcat:hrfg7wly3zbzzep5s7pp276oje