@article{AA_2020_32_2_a1,
     author = {D. G. Vasilchenkova and V. I. Danchenko},
     title = {Extraction of harmonics from trigonometric polynomials by phase-amplitude operators},
     journal = {Algebra i analiz},
     pages = {21--44},
     publisher = {mathdoc},
     volume = {32},
     number = {2},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2020_32_2_a1/}
}