Klymchuk, A. V. The topological properties of a class of flows on surfaces. (Ukrainian. English summary) Zbl 1090.58024 Visn., Mat. Mekh., Kyïv. Univ. Im. Tarasa Shevchenka 2005, No. 14, 90-92 (2005). MSC: 58K65 × Cite Format Result Cite Review PDF
Andriyuk, O. P. Realization of continuous functions by Kronrod-Reeb graphs. (Ukrainian. English summary) Zbl 1090.58506 Visn., Mat. Mekh., Kyïv. Univ. Im. Tarasa Shevchenka 2005, No. 14, 88-89 (2005). MSC: 58K05 × Cite Format Result Cite Review PDF