TY  - JOUR
AU  - I. I. Ogievetskii
TI  - On the problem of effectiveness and non-effectiveness of regular matrices
JO  - Doklady Akademii Nauk
PY  - 1962
SP  - 1050
EP  - 1052
VL  - 143
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1962_143_5_a11/
LA  - ru
ID  - DAN_1962_143_5_a11
ER  -