@article{MZM_2021_109_6_a5,
     author = {A. V. Loboda and B. M. Darinskii and D. V. Kozoriz},
     title = {On {Harmonic} {Polynomials} {Invariant} under {Unitary} {Transformations}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {856--871},
     publisher = {mathdoc},
     volume = {109},
     number = {6},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2021_109_6_a5/}
}