00509naa#a2200169#i#450# EN\NORMA\bibl\12968 20260311065519.3 1605-6590 20160829b2016####ek#y0engy0150####ca RUS RU Trends in the Legislation of the Russian Federation in the Sphere of Regulated Procurements Journal article Moscow Legal publishing house Norm 2016 0 с. Journal article local Byelyayeva Olga zh-szf.ru