TY  - JOUR
AU  - A. E. Andreev
TI  - On a method for obtaining more than quadratic effective lower bounds for the complexity of $\pi$-schemes
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1987
SP  - 70
EP  - 73
IS  - 1
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1987_1_a20/
LA  - ru
ID  - VMUMM_1987_1_a20
ER  -