@article{AUCMP_1989__30_2_a5,
     author = {Dvure\v{c}enskij, Anatolij},
     title = {Frame functions, signed measures and completeness of inner product spaces},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {41--49},
     publisher = {mathdoc},
     volume = {30},
     number = {2},
     year = {1989},
     mrnumber = {1046444},
     zbl = {0715.46031},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUCMP_1989__30_2_a5/}
}