TY  - JOUR
AU  - V. I. Burenkov
AU  - B. Th. Tuyen
TI  - On spectral stability problem for a pair of self-adjoint elliptic differential operators on bounded open sets
JO  - Eurasian mathematical journal
PY  - 2019
SP  - 84
EP  - 88
VL  - 10
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/EMJ_2019_10_3_a6/
LA  - en
ID  - EMJ_2019_10_3_a6
ER  -