@article{ZNSL_1999_262_a3,
     author = {G. M. Gubreev and E. I. Olefir},
     title = {Unconditional bases, the matrix {Muckenhoupt} condition, and {Carleson} series in the spectrum},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {90--126},
     publisher = {mathdoc},
     volume = {262},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1999_262_a3/}
}