00669naa#a2200193#i#450# EN\INFRA-M\bibl\71961 20241121175917.4 2712-9640 20231220b2023####ek#y0engy0150####ca RU Solar flares with sustained gamma-ray emission and some characteristics of high-energy proton fluxes Journal article Moscow INFRA-M Academic Publishing LLC. 2023 5 с. Journal article local Астрономия. Геодезия. 52 Tomozov Vladimir Mihaylovich Minasyants Gennady Sergeevich Minasyants Tamara Mihaylovna zh-szf.ru