%0 Journal Article %A A. V. Ivanov %A M. A. Russkikh %T Quantum field theory on the example of the simplest cubic model %J Zapiski Nauchnykh Seminarov POMI %D 2021 %P 123-152 %V 509 %U http://geodesic.mathdoc.fr/item/ZNSL_2021_509_a8/ %G ru %F ZNSL_2021_509_a8