International Journal on Minority and Group Rights. Том 10. 2003. С. 203-220
The article considers the geometry of the Monge's surfaces with plane directrix curve. The formulas of the quadratic forms are given. The many pictures of surfaces with parabola as directresses and sinus curve as generating curve are shown. There are shown surfaces with one wave of sinus curve and surfaces with multiplied waves. The "MathCad" system was used to draw surfaces.