Rotational surfaces geometrically conjugated with an upright circular cylinder. (English)
C. R. Acad. Bulg. Sci. 46, No.12, 21-23 (1993).
1
Calculation of the dynamic characteristics of spatial mechanisms. (Russian)
Soobshch. Akad. Nauk Gruz. SSR 98, 389-392 (1980).
2