00534naa#a2200181#i#450# EN\INFRA-M\bibl\92141 20250126025449.7 2500-3321 20241217b2024####ek#y0engy0150####ca RU Mathematical knowledge and its methods Journal article Moscow INFRA-M Academic Publishing LLC. 2024 8 с. Journal article local Философия. Психология. 1 Lebedev S. A. Polyanskiy A. G. zh-szf.ru