TY  - JOUR
AU  - S. A. Nazarov
TI  - The Essential Spectrum of Boundary Value Problems for Systems of Differential Equations in a Bounded Domain with a~Cusp
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 2009
SP  - 55
EP  - 67
VL  - 43
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_2009_43_1_a3/
LA  - ru
ID  - FAA_2009_43_1_a3
ER  -