%0 Journal Article %A Lyuben Lichev %T A note on the Erdős-Szekeres theorem in two dimensions %J The electronic journal of combinatorics %D 2021 %V 28 %N 2 %U http://geodesic.mathdoc.fr/articles/10.37236/9880/ %R 10.37236/9880 %F 10_37236_9880