TY  - JOUR
AU  - D. M. Polyakov
TI  - Spectral analysis of a~fourth order differential operator with periodic and antiperiodic boundary conditions
JO  - Algebra i analiz
PY  - 2015
SP  - 117
EP  - 152
VL  - 27
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AA_2015_27_5_a4/
LA  - ru
ID  - AA_2015_27_5_a4
ER  -