TY  - JOUR
AU  - N. A. Izobov
TI  - The set of lower exponents of positive measure
JO  - Differencialʹnye uravneniâ
PY  - 1968
SP  - 1147
EP  - 1149
VL  - 4
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1968_4_6_a19/
LA  - ru
ID  - DE_1968_4_6_a19
ER  -