论文信息 - Oscillation criteria for certain fourth order nonlinear functional differential equations - 字舞流文

Oscillation criteria for certain fourth order nonlinear functional differential equations

Some new criteria for the oscillation of the fourth order functional differential equation ddt(1a"3(t)(ddt1a"2(t)(ddt1a"1(t)(ddtx(t))^@a^"^1)^@a^"^2)^@a^"^3)[email protected](t)f(x[g(t)])=0, where @d=+/-1 are established.

Ravi P. Agarwal | Jelena V. Manojlovic | Said R. Grace | R. Agarwal | S. Grace | J. Manojlovic

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