Issledovanii︠a︡ po grammatike i frazeologii chuvashskogo i︠a︡zykaby Chuvashskai͡a A.S.S.R. (R.S.F.S.R.). Nauchno-issledovatelʹskiĭ institut i͡azyka, literatury, istorii i ėkonomikiChuvash languageGrammarPhraseologyWriting a summary for young readers…For young readersBook data: Open Library