1 P.A. Gertsen Moscow Oncology Research Center – branch of the National Medical Research Radiological Center of the Ministry of Health of Russia, 3, 2-nd Botkinsky proezd, Moscow, 125284, Russian Federation
2 Peoples’ Friendship University of Russia, 6, Miklukho-Maklaya Street, Moscow, 117198, Russian Federation
3 FSBI NMRRC of the Ministry of Health of the Russian Federation, 4, Koroleva Street, Obninsk, 249036, Russian Federation
4 First Moscow State Medical University, 8-2, Trubetskaya Street, Moscow, 119991, Russian Federation
TRUDY INSTITUTA MATEMATIKI I MEKHANIKI URO RAN / Proceedings of the Steklov Institute of Mathematics.
KRASOVSKII INST MATHEMATICS & MECHANICS URAL BRANCH RUSSIAN ACAD SCIENCES.