@article{PA_2019_8_3_a1,
     author = {T. A. Alexeeva and N. A. Shirokov},
     title = {Constructive description  of function classes on surfaces in $\mathbb{R}^3$ and $\mathbb{R}^4$},
     journal = {Problemy analiza},
     pages = {16--23},
     publisher = {mathdoc},
     volume = {8},
     number = {3},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PA_2019_8_3_a1/}
}