A Single Hidden Layer Feedforward Network with Only One Neuron in the Hidden Layer Can Approximate Any Univariate Function. - Namig J. Guliyev; Vugar E. Ismailov (Neural Comput., 2016)

Approximation capability of two hidden layer feedforward neural networks with fixed weights. - Namig J. Guliyev; Vugar E. Ismailov (Neurocomputing, 2018)

On the approximation by single hidden layer feedforward neural networks with fixed weights. - Namig J. Guliyev; Vugar E. Ismailov (Neural Networks, 2018)