@article{TRSPY_2016_293_a12,
     author = {S. V. Konyagin and A. A. Kuleshov},
     title = {On some properties of finite sums of ridge functions defined on convex subsets of~$\mathbb R^n$},
     journal = {Informatics and Automation},
     pages = {193--200},
     year = {2016},
     volume = {293},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2016_293_a12/}
}