%0 Journal Article %A Falbel, Elisha %A Koseleff, Pierre-Vincent %T The Number of Sides of a Parallelogram %J Discrete mathematics & theoretical computer science %D 1998-1999 %V 3 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.251/ %R 10.46298/dmtcs.251 %G en %F DMTCS_1999_3_2_a0