TY  - JOUR
AU  - A. A. Razborov
TI  - Unprovability of lower bounds on circuit size in certain fragments of bounded arithmetic
JO  - Izvestiya. Mathematics 
PY  - 1995
SP  - 205
EP  - 227
VL  - 59
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1995_59_1_a8/
LA  - en
ID  - IM2_1995_59_1_a8
ER  -