TY  - JOUR
AU  - P. L. Ul'yanov
TI  - On some results and problems in the theory of bases
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1989
SP  - 274
EP  - 284
VL  - 170
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1989_170_a14/
LA  - ru
ID  - ZNSL_1989_170_a14
ER  -