@article{PA_2022_11_3_a8,
     author = {V. V. Volchkov and Vit. V. Volchkov},
     title = {Tangent approximation by solutions of the convolution equation},
     journal = {Problemy analiza},
     pages = {125--142},
     year = {2022},
     volume = {11},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PA_2022_11_3_a8/}
}