Average dimension and ?-widths of classes of functions on the whole line. - Georgii G. Magaril-Il'yaev; Vladimir M. Tikhomirov (J. Complex., 1992)

Wavelet compression and nonlinear n-widths. - Ronald A. DeVore; George Kyriazis; Dany Leviatan; Vladimir M. Tikhomirov (Adv. Comput. Math., 1993)

On Exact Values of n-Widths in a Hilbert Space. - Georgii G. Magaril-Il'yaev; Konstantin Yu. Osipenko; Vladimir M. Tikhomirov (J. Approx. Theory, 2001)

Indefinite Knowledge about an Object and Accuracy of Its Recovery Methods. - Georgii G. Magaril-Il'yaev; Konstantin Yu. Osipenko; Vladimir M. Tikhomirov (Probl. Inf. Transm., 2003)

In memory of Nikolai Sergeevich Bakhvalov (1934-2005). - Vladimir M. Tikhomirov; V. B. Demidovich (J. Complex., 2015)