00497naa#a2200157#i#450# EN\\bibl\82184 20241113055546.3 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 chemintech.ru