IPA(key): [ʊdəstəvʲɪˈrʲafʂɨ] <span class="searchmatch">удостоверя́вши</span> • (udostoverjávši) past adverbial imperfective participle of удостоверя́ть (udostoverjátʹ)...
udostoverjájemyj — adverbial удостоверя́я udostoverjája удостоверя́в udostoverjáv, <span class="searchmatch">удостоверя́вши</span> udostoverjávši present tense future tense 1st singular (я) удостоверя́ю...