TY  - JOUR
AU  - V. A. Orlov
TI  - On strongly essential systems of functions in $P_k$
JO  - Diskretnaya Matematika
PY  - 1998
SP  - 120
EP  - 127
VL  - 10
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DM_1998_10_2_a8/
LA  - ru
ID  - DM_1998_10_2_a8
ER  -