TY  - JOUR
AU  - N. E. Barabanov
TI  - On the existence of an extremal norm for a class of linear differential equations with retarded argument
JO  - Differencialʹnye uravneniâ
PY  - 1998
SP  - 294
EP  - 297
VL  - 34
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1998_34_3_a1/
LA  - ru
ID  - DE_1998_34_3_a1
ER  -