TY  - JOUR
AU  - V. F. Gaposhkin
TI  - Series of block-orthogonal and block-independent systems
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1990
SP  - 12
EP  - 18
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1990_5_a1/
LA  - ru
ID  - IVM_1990_5_a1
ER  -