Библиографическая ссылка:
Федосеев Д.А., Мантуров В.О. Invariants of homotopic classes of curves and graphs on 2-surfaces (Towards a bridge between knots and groups) / Abstracts Book of The workshop “Algebraic Structures in Low-Dimensional Topology” (Oberwolfach, 2014). Oberwolfach: MFO, 2014. С. 1421-1424.