Vsesoi︠u︡znai︠a︡ konferent︠s︡ii︠a︡ po kachestvennoĭ teorii different︠s︡ialʹnykh uravneniĭ (5th 1979)

The conversation is still open.

There is no public salon activity to show for Vsesoi︠u︡znai︠a︡ konferent︠s︡ii︠a︡ po kachestvennoĭ teorii different︠s︡ialʹnykh uravneniĭ (5th 1979) yet.