@article{10_4064_am39_1_4,
     author = {Waldemar Popi\'nski},
     title = {On discrete {Fourier} analysis of amplitude
 and phase modulated signals},
     journal = {Applicationes Mathematicae},
     pages = {57--69},
     publisher = {mathdoc},
     volume = {39},
     number = {1},
     year = {2012},
     doi = {10.4064/am39-1-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am39-1-4/}
}