%0 Journal Article %T Solar flares with sustained gamma-ray emission and some characteristics of high-energy proton fluxes %A Tomozov, V.M. %A Minasyants, G.S. %A Minasyants, T.M. %K flares, coronal mass ejections, particle acceleration %J Solar-Terrestrial Physics %D 2023 %N 9 %P 4 %I INFRA-M Academic Publishing LLC.