TY  - JOUR
AU  - S. I. Mitrokhin
TI  - A periodic boundary value problem for a fourth order differential operator with a summable potential
JO  - Vladikavkazskij matematičeskij žurnal
PY  - 2017
SP  - 35
EP  - 49
VL  - 19
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMJ_2017_19_4_a3/
LA  - ru
ID  - VMJ_2017_19_4_a3
ER  -