EPJ

On two-loop effective action of 2d sigma model

P. V. Akacevich and A. V. Ivanov

Eur. Phys. J. C, 83 7 (2023) 653

Published online: 24 July 2023

DOI: 10.1140/epjc/s10052-023-11797-0

P. V. Akacevich

A. V. Ivanov

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