TY  - JOUR
AU  - I. N. Sergeev
TI  - Plane rotability exponents of a linear system of differential equations
JO  - Trudy Seminara im. I.G. Petrovskogo
PY  - 2019
SP  - 325
EP  - 348
VL  - 32
IS  - 32
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TSP_2019_32_32_a13/
LA  - ru
ID  - TSP_2019_32_32_a13
ER  -