Vsesoi︠u︡znyĭ s?ezd uchiteleĭ (1978 Moscow R.S.F.S.R.)

• Vsesoi︠u︡znyĭ s?ezd uchiteleĭ 1978 [i.e. tysi︠a︡cha devi︠a︡tʹsot semʹdesi︠a︡t vosemʹ]