Itogi iubileinoi nauchnoi sessii, posviashchennoi stoletiiu so dnia rozhdeniia I. Ia. Iakovleva

by V. V. Chebukhov, posviashchennaia stoletiiu so dnia rozhdeniia I. Ia. Iakovleva Iubileinaia nauchnaia sessiia, Chuvashskai︠a︡ A.S.S.R. (R.S.F.S.R.). Nauchno-issledovatelʹskiĭ institut i︠a︡zyka, literatury, istorii i ėkonomiki