Ivanova-Karatopraklieva I. Infinitesimal bendings with sliding of higher order of rotational surfaces. Ann. Sofia Univ. Fac. Math. and Inf. [Internet]. 1993 Dec. 12 [cited 2024 Dec. 5];84:69-82. Available from: https://stipendii.uni-sofia.bg/index.php/fmi/article/view/470