TY  - JOUR
AU  - K. Kh. Boimatov
AU  - A. G. Kostyuchenko
TI  - Distribution of eigenvalues of second-order nonselfadjoint differential operators
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1990
SP  - 24
EP  - 31
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1990_3_a4/
LA  - ru
ID  - VMUMM_1990_3_a4
ER  -