Abstract
In memory of Alexey S. Barchuk.

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright (c) 2019 ANPMO «Problems in oncology»
In memory of Alexey S. Barchuk.

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright (c) 2019 ANPMO «Problems in oncology»