TY  - JOUR
AU  - A. P. Beltiukov
TI  - Weak constructive second order arithmetic with extracting polynomial time computable algorithms
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 2003
SP  - 7
EP  - 12
VL  - 304
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_2003_304_a1/
LA  - ru
ID  - ZNSL_2003_304_a1
ER  -