TY  - JOUR
AU  - I. A. Krishtal
AU  - N. B. Uskova
TI  - Spectral properties of first-order differential operators with an involution and groups of operators
JO  - Sibirskie èlektronnye matematičeskie izvestiâ
PY  - 2019
SP  - 1091
EP  - 1132
VL  - 16
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SEMR_2019_16_a139/
LA  - ru
ID  - SEMR_2019_16_a139
ER  -