A discrete Grönwall inequality for L2-type difference schemes with application to multi-term time-fractional nonlinear Sobolev-type convection-diffusion equations with delay. - Anatoly A. Alikhanov; Mohammad Shahbazi Asl; Chengming Huang; Adam A. Alikhanov (Commun. Nonlinear Sci. Numer. Simul., 2026)