期刊： RICERCHE DI MATEMATICA, ; ()
LetG be a finite group. Asubgroup H ofG is called aP-subnormal subgroup whenever H = G or there exists a chain of subgroups H = H-0 <= H-1 <= ce......
期刊： RICERCHE DI MATEMATICA, ; ()
We study the fourth order semilinear suspension bridge problem with restoring force h(u) and linear damping delta u(t). Using the multiplier method, w......
期刊： RICERCHE DI MATEMATICA, 2020; 69 (2)
The distributed delay was firstly proposed by Volterra in the 1930s since it is more realistic than discrete delay and has been introduced in many dyn......
