1. Algebraic theory of pointwise degenerate delay-differential systems;Asner;J. Differential Equations,1973
2. Pointwise degenerate second order delay-differential systems;Asner;An. Univ. Bucuresti Mat. Mec.,1973
3. Delay-feedback using derivatives for minimum time linear control problems;Asner;J. Math. Anal. Appl.,1974
4. Delay-feedback solution for the minimal-time linear problem with several outputs;Asner;Rev. Roumaine Math. Pures Appl.,1973
5. Noncontrollability of time-invariant linear systems using one-dimensional linear delay feedback;Asner;Rev. Roumaine Sci. Tech. Ser. Electrotech. Énerg.,1973