TY  - BOOK
AU  - Serebriannikov, Oleg Federovich,
AU  - Biryukov, B. V.
TI  - Heuristic principles and logical calculi
AV  - BC59 S47
PY  - 1972///
CY  - Jerusalem
PB  - Program for scientific translations
KW  - Lógica
KW  - Pensamiento
ER  -