Shulyakovsky, R. G. ., Gribowsky, A. S. ., Garkun, A. S. ., Nevmerzhitsky, M. N., Shaplov, A. O. ., & Shohonov, D. A. . (2020). Classical instanton solutions in quantum field theory. Journal of the Belarusian State University. Physics, 2, 78-85. https://doi.org/10.33581/2520-2243-2020-2-78-85