TY  - JOUR
AU  - S. I. Kadchenko
AU  - S. N. Kakushkin
TI  - The first four corrections of the perturbation theory for discrete semi bounded from below operators with free multiplicities of eigenvalues finding
JO  - Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematičeskoe modelirovanie i programmirovanie
PY  - 2011
SP  - 16
EP  - 21
IS  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VYURU_2011_9_a1/
LA  - ru
ID  - VYURU_2011_9_a1
ER  -