The author investigated infinitesimal bends of «glide» of surfaces of rotation with negative curvature.
For some rotation surfaces of negative curvature the necessary and sufficient conditions of non-rigidity are indicated in respect to infinitesimal bends of «glide».
Citation Example:Mikhailovsky V. I. Infinitesimal bends of «glide» of rotation surfaces
with negative curvature // Ukr. Mat. Zh. - 1962. - 14, № 1. - pp. 18-29.
