TY  - GEN
AU  - Boas, R. P., Jr
TI  - Quasi-positive sequences and trigonometric series
U1  - 517.518.4 
PY  - 0000///[s. a.]
CY  - Evanston, Illinois
PB  - Northwestern University
KW  - Teoria functiilor
KW  - Serii trigonometrice
N1  - Contine bibliogr. - Lucrare multigr
ER  -