共 50 条
- [22] An analysis of approximate controllability for Hilfer fractional delay differential equations of Sobolev type without uniqueness NONLINEAR ANALYSIS-MODELLING AND CONTROL, 2023, 28 (04): : 632 - 654
- [25] Controllability of Non-densely Defined Neutral Functional Differential Systems in Abstract Space* Chinese Annals of Mathematics, Series B, 2007, 28 : 243 - 252