Adrianov, N.; Zvonkin, A. Weighted trees with primitive edge rotation groups. (English. Russian original) Zbl 1357.11063 J. Math. Sci., New York 209, No. 2, 160-191 (2015); translation from Fundam. Prikl. Mat. 18, No. 6, 5-50 (2013). MSC: 11G32 05C07 05C10 05C22 14H57 PDFBibTeX XMLCite \textit{N. Adrianov} and \textit{A. Zvonkin}, J. Math. Sci., New York 209, No. 2, 160--191 (2015; Zbl 1357.11063); translation from Fundam. Prikl. Mat. 18, No. 6, 5--50 (2013) Full Text: DOI
Pakovich, Fedor; Zvonkin, Alexander K. Minimum degree of the difference of two polynomials over \({\mathbb Q}\), and weighted plane trees. (English) Zbl 1316.11057 Sel. Math., New Ser. 20, No. 4, 1003-1065 (2014). Reviewer: Władysław Narkiewicz (Wrocław) MSC: 11G32 05C10 05C30 11C08 11R09 11R32 30C15 PDFBibTeX XMLCite \textit{F. Pakovich} and \textit{A. K. Zvonkin}, Sel. Math., New Ser. 20, No. 4, 1003--1065 (2014; Zbl 1316.11057) Full Text: DOI arXiv