TY  - JOUR
AU  - A. B. Ugol'nikov
TI  - On the depth and complexity of formulas that realize functions in
JO  - Doklady Akademii Nauk
PY  - 1988
SP  - 1341
EP  - 1344
VL  - 298
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1988_298_6_a13/
LA  - ru
ID  - DAN_1988_298_6_a13
ER  -