Terentʹev, P V(Jerusalem, Israel Program for Scientific Translations; available from U.S. Dept. of Commerce, Clearinghouse for Federal Scientific and Technical Information, Springfield, Va. ., 1965)
Terentʹev, P V(Jerusalem, Israel Program for Scientific Translations; available from U.S. Dept. of Commerce, Clearinghouse for Federal Scientific and Technical Information, Springfield, Va., 1965)