00728naa#a2200193#i#450# EN\INFRA-M\bibl\43584 20260227024934.5 2306-1731 20210421b2021####ek#y0engy0150####ca RU Wolfram-Technologies in the Implementation of the Principle of Visibility in Teaching Mathematical Disciplines at the Higher School of Economics Journal article Moscow INFRA-M Academic Publishing LLC. 2021 7 с. Journal article local Статистика. Демография. Социология. 31 Tatarnikov O. V. Vlasov Dmitriy Anatol'evich Sinchukov Aleksandr Valer'evich zh-szf.ru