00500naa#a2200157#i#450# EN\\bibl\82184 20241110095015.7 2221-3260 20230502b2023####ek#y0engy0150####ca RU The XXI century as a noospheric stage in the development of Marxism-Leninism Journal article Yaroslavl Yaroslavl State Technical University 2023 12 с. Journal article local SUBETTO Alexander Ivanovich ystu.editorum.ru