This paper discusses all cases of second order linear singular defferential difference equations with delay and different coefficients, and prensents the conditionsfor existence and uniqueness of solutions nearly in a...This paper discusses all cases of second order linear singular defferential difference equations with delay and different coefficients, and prensents the conditionsfor existence and uniqueness of solutions nearly in all cases.展开更多
文摘This paper discusses all cases of second order linear singular defferential difference equations with delay and different coefficients, and prensents the conditionsfor existence and uniqueness of solutions nearly in all cases.
