[1]
R. A. . Aliev, A. A. . Asgarova, and V. E. . Ismailov, “On the representation by bivariate ridge functions”,
Ukr. Mat. Zhurn.
, vol. 73, no. 5, pp. 579 – 588, May 2021, doi:
10.37863/umzh.v73i5.263
.