TY  - JOUR
AU  - G. A. Trunov
TI  - An estimate for a~spectral relation for incomplete factorization of the form $S^*S$ of the difference approximation of the Laplace operator in the case of a~quasiregular operator~$S$
JO  - Matematičeskie zametki
PY  - 1990
SP  - 155
EP  - 156
VL  - 47
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1990_47_2_a21/
LA  - ru
ID  - MZM_1990_47_2_a21
ER  -