@article{ZNSL_2021_509_a2,
     author = {N. M. Bogolyubov and A. G. Pronko},
     title = {One-point function of the four-vertex model},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {39--53},
     publisher = {mathdoc},
     volume = {509},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2021_509_a2/}
}