00663naa#a2200181#i#450# EN\NORMA\bibl\40131 20260316231043.1 1991-3222 20201027b2020####ek#y0engy0150####ca RU Theoretical and Practical Problems of Obligatory Professional Liability Insurance: A Comparative Analysis on the Basis of the Russian and Estonian Laws Journal article Moscow Legal publishing house Norm 2020 0 с. Journal article local Право. Юридические науки. 34 Kratenko Maksim Vladimirovich Luyk Olavi-Yuri naukaru.ru