TY  - JOUR
AU  - V. P. Prokop'ev
TI  - On the stability of systems with aftereffect in the critical case of two zero roots
JO  - Differencialʹnye uravneniâ
PY  - 1968
SP  - 2027
EP  - 2033
VL  - 4
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1968_4_11_a11/
LA  - ru
ID  - DE_1968_4_11_a11
ER  -