来源:Bulletin of the London Mathematical Society, 1999, 31: 196-206.
DOI:10.1112/S0024609398005402
摘要
Oscillation criteria for the first-order linear delay differential equation x'(t) + p(t)x(tau(t)) = 0, t greater than or equal to 0, tau(t) < t, are established. Our results improve the known results in the literature.