Polulyakh, E. O., Полулях, Е. А., & Полулях, Е. А. (2015). Kronrod–Reeb Graphs of Functions on Noncompact Two-Dimensional Surfaces. I. Institute of Mathematics, NAS of Ukraine.
Chicago Style (17th ed.) CitationPolulyakh, E. O., Е. А Полулях, and Е. А Полулях. Kronrod–Reeb Graphs of Functions on Noncompact Two-Dimensional Surfaces. I. Institute of Mathematics, NAS of Ukraine, 2015.
MLA (8th ed.) CitationPolulyakh, E. O., et al. Kronrod–Reeb Graphs of Functions on Noncompact Two-Dimensional Surfaces. I. Institute of Mathematics, NAS of Ukraine, 2015.
Warning: These citations may not always be 100% accurate.