%0 Journal Article %T Combining two sheets of quasi-rotation surfaces %A Kudziev, K.V. %K rotation, quasi-rotation, shaping, curve axis, circle, ellipse, Dupin's cyclide, cyclic surfaces, axis of rotation, high-order surface, high-order curve %J Journal of Natural Sciences Research %D 2021 %N 6 %P 3 %I INFRA-M Academic Publishing LLC.