%0 Journal Article %A N. M. Bogolyubov %A A. G. Pronko %T One-point function of the four-vertex model %J Zapiski Nauchnykh Seminarov POMI %D 2021 %P 39-53 %V 509 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2021_509_a2/ %G en %F ZNSL_2021_509_a2