TY  - JOUR
AU  - N. E. Bol'shakov
TI  - The role of Perron's non-regularity coefficient in the detection of stability of two-dimensional systems with respect to the first approximation
JO  - Differencialʹnye uravneniâ
PY  - 1973
SP  - 363
EP  - 365
VL  - 9
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1973_9_2_a20/
LA  - ru
ID  - DE_1973_9_2_a20
ER  -