@article{ZNSL_2016_446_a6,
     author = {Yu. Matiyasevich},
     title = {Calculation of {Belyǐ} functions for trees with weighted edges},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {122--138},
     year = {2016},
     volume = {446},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2016_446_a6/}
}