TY  - JOUR
AU  - I. M. Gel'fand
AU  - I. S. Zakharevich
TI  - Spectral theory of a pencil of skew-symmetric differential operators of third order on $S^1$
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1989
SP  - 1
EP  - 11
VL  - 23
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1989_23_2_a0/
LA  - ru
ID  - FAA_1989_23_2_a0
ER  -