TY  - JOUR
AU  - V. N. Pyvovarchyk
TI  - On the total algebraic multiplicity of the spectrum in the right half-plane for a~class of quadratic operator pencils
JO  - Algebra i analiz
PY  - 1991
SP  - 223
EP  - 230
VL  - 3
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AA_1991_3_2_a8/
LA  - ru
ID  - AA_1991_3_2_a8
ER  -