@article{MAIS_2009_16_2_a1, author = {V. A. Koshelev}, title = {On {Erd\H} {os--Szekeres} problem for empty hexagons in the plane}, journal = {Modelirovanie i analiz informacionnyh sistem}, pages = {22--74}, publisher = {mathdoc}, volume = {16}, number = {2}, year = {2009}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MAIS_2009_16_2_a1/} }