Petrov, E. and Havrylenko, I. 2023. Stability of minimal surfaces in the sub-Riemannian manifold $\widetilde{E(2)}$. Visnyk of V. N. Karazin Kharkiv National University. Ser. Mathematics, Applied Mathematics and Mechanics. 98, (Dec. 2023), 50-67. DOI:https://doi.org/10.26565/2221-5646-2023-98-04.