Aĭnshtaĭn ili Engels?
Subtitle: teorii︠a︡ta za otnositelnostta i dialekticheskii︠a︡ materializum
By: A.k. Timiri︠a︡zev [...] et al.
Contributors: Timiri︠a︡zev. A. K.
Publisher: Materialisticheska filosofii︠a︡
Published: 1930
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 138
Subjects: Einstein, Albert, -- 1879-1955.