@article{ISU_2021_21_2_a8,
     author = {A. L. Smirnov and G. P. Vasiliev},
     title = {Free vibration frequencies of a circular thin plate with nonlinearly perturbed parameters},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {227--237},
     publisher = {mathdoc},
     volume = {21},
     number = {2},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2021_21_2_a8/}
}