TY  - JOUR
AU  - P. M. Yuditskii
TI  - On the upper envelope of a family of rational functions, not
JO  - Doklady Akademii Nauk
PY  - 1989
SP  - 815
EP  - 818
VL  - 307
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1989_307_4_a10/
LA  - ru
ID  - DAN_1989_307_4_a10
ER  -