00708naa#a2200205#i#450# EN\\bibl\71963 20260315211308.7 2500-0535 20231228b2023####ek#y0engy0150####ca ENG RU Solar flares with sustained gamma-ray emission and some characteristics of high-energy proton fluxes Journal article Irkutsk Institute of Solar-Terrestrial Physics SB RAS 2023 4 с. Journal article local Астрономия. Геодезия. 52 ENG Tomozov Vladimir Mihaylovich Minasyants Gennady Sergeevich Minasyants Tamara Mihaylovna iszf.editorum.ru