Razvitie leksicheskoĭ semantiki chuvashskogo i︠a︡zyka (osnovnye tendent︠s︡ii)

by V. I. Sergeev, Chuvashskai͡a A.S.S.R. (R.S.F.S.R.). Nauchno-issledovatelʹskiĭ institut i͡azyka, literatury, istorii i ėkonomiki, Chuvashskiĭ gosudarstvennyĭ universitet im. I.N. Ulʹi͡anova