Predmet znanii︠a︡ : Ob osnovakh i predi︠e︡lakh otvlechennago znanii︠a︡ /
Frank, S. L.(Semen Li︠u︡dvigovich),1877-1950.
[Belgium : s.n.,
1974?]
Reprint of the Petrograd, 1915 edition.
Knowledge, Theory of.