TY  - JOUR
AU  - V. V. Dubrovskii
AU  - A. V. Nagornyi
TI  - On an estimate for the difference of spectral functions of discrete operators in $L^2$
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1988
SP  - 44
EP  - 47
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1988_5_a9/
LA  - ru
ID  - VMUMM_1988_5_a9
ER  -