00587naa#a2200169#i#450# EN\\bibl\15565 20250103114923.5 2414-9047 20161230b2016####ek#y0engy0150####ca RUS RU Four issues of formation of the contract and a smart three types blokcheyn providing transactions of economic agents on an example of a cluster of manufacturers of personalized shoes Journal article Moscow MOSCLUSTER LLC 2016 8 с. Journal article local Tarasenko Vladislav naukaru.ru