TY  - JOUR
AU  - A. Yu. Shadrin
TI  - Letter to the editor about A.\,I.~Zvyagintsev's paper ``Extremal problem on the norm of an intermediate derivative''
JO  - Matematičeskie zametki
PY  - 1994
SP  - 154
EP  - 156
VL  - 55
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1994_55_5_a14/
LA  - ru
ID  - MZM_1994_55_5_a14
ER  -