Trotsenko , V.A. and Trotsenko , Y.V. 2021. Structure of integrals of equations of oscillations of a conical shell closed at a vertex. Ukrains’kyi Matematychnyi Zhurnal. 73, 10 (Oct. 2021), 1414-1422. DOI:https://doi.org/10.37863/umzh.v73i10.6702.