@inproceedings { Gutman20170818,
  author = "Gutman A.E. and Matyukhin A.V.",
  title = "Archimedean cones and incoming directions",
  booktitle = "Mathematics in the Modern World. International conference dedicated to the 60th anniversary of the Sobolev Institute of Mathematics (Novosibirsk, August 14--19, 2017): Proceedings",
  address = "Novosibirsk",
  publisher = "Institute of Mathematics",
  year = "2017",
  pages = "154",
  language = "russian",
  annote = "The notion is introduced and studied of incoming direction for a given convex set at a given point, a new criterion is provided for a wedge to be Archimedean, and the question is answered of when a wedge is included in a half-space."
}