TY  - JOUR
AU  - I. A. Frid
TI  - On the stability of solutions of a linear differential equation with retardation in the critical case
JO  - Uchenye Zapiski Moskovskogo Gosudarstvennogo Universiteta
PY  - 1956
SP  - 73
EP  - 82
VL  - 181
IS  - 181
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/UZMU_1956_181_181_a5/
LA  - ru
ID  - UZMU_1956_181_181_a5
ER  -