34K05 General theory
34K10 Boundary value problems
34K15 Qualitative theory
34K20 Stability theory
34K25 Asymptotic theory
34K30 Equations in abstract spaces, See also {34Gxx}
34K35 Control problems, See also {49J25, 49K25, 93C15}
34K40 Neutral equations
34K50 Stochastic delay equations, See also {34F05, 60Hxx}
34K99 None of the above but in this section