EN
The author attempts to define the role played by the form of the square in the suprematist painting by Kasimir Malevich. This was the form which in the artist's oeuvre acted as a point of departure and a goal, by designating the beginning or signalizing the end. Furthermore, the form in question encloses all the suprematist accomplishments of the painter. The article tries to decipher the form of the square as a unique boundary.