@article{10.30755/NSJOM.dans14.09,
     author = {Diana T. Stoeva},
     title = {On frames, dual frames, and the duality principle},
     journal = {Novi Sad Journal of Mathematics},
     pages = {183 - 200},
     publisher = {mathdoc},
     volume = {45},
     number = {1},
     year = {2015},
     doi = {10.30755/NSJOM.dans14.09},
     url = {http://geodesic.mathdoc.fr/articles/10.30755/NSJOM.dans14.09/}
}