Volume 28, No 2, 2021
Content

Yu. A. Kochetov and N. B. Shamray
Optimization of the ambulance fleet location and relocation
P. 5-34

I. N. Kulachenko and P. A. Kononova
A hybrid algorithm for the drilling rig routing problem
P. 35-59

O. A. Kutnenko and A. V. Plyasunov
NP-hardness of some data cleaning problem
P. 60-73

V. M. Fomichev
On degree of nonlinearity of the coordinate polynomials for a product of transformations of a binary vector space
P. 74-91