TY  - JOUR
AU  - P. I. Koval'
TI  - On the asymptotic behaviour of solutions of linear difference equations and linear differential equations
JO  - Doklady Akademii Nauk
PY  - 1957
SP  - 949
EP  - 952
VL  - 114
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1957_114_5_a8/
LA  - ru
ID  - DAN_1957_114_5_a8
ER  -