TY  - JOUR
AU  - L. G. Labsker
TI  - Characterization of Chebyshev systems and sufficient conditions
JO  - Doklady Akademii Nauk
PY  - 1984
SP  - 277
EP  - 281
VL  - 276
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1984_276_2_a4/
LA  - ru
ID  - DAN_1984_276_2_a4
ER  -