00539naa#a2200169#i#450# EN\RIOR\bibl\17502 20240426084727.5 2409-5087 20171108b2017####ek#y0engy0150####ca RU Legally significant messages: some practice problems Journal article Moscow Publishing Center RIOR 2017 5 с. Journal article local История государства и права. 10.09 grnti Bogdan Varvara Vladimirovna riorpub.com