00783naa#a2200181#i#450# EN\\bibl\4505 /en/manage/index 20250215205739.6 20201219b2020####ek#y0engy0150####ca RU On conditional "safety grades" of power units of NPPs of the Russian Federation Conference article/thesis Nizhny Novgorod ANO "Scientific and Research Center for Information in Physics and Technique" 2020 11 с. Conference article/thesis local Общие вопросы математических и естественных наук. 50 Математика. 51 Ядерная физика. 29.15 grnti Arzhaev Alexey Ivanovich test.editorum.ru /en/manage/index