@article{ISU_2018_18_4_a7,
     author = {J. D. Kaplunov and L. A. Prikazchikova},
     title = {Low-frequency vibration modes of strongly
},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {447--457},
     publisher = {mathdoc},
     volume = {18},
     number = {4},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ISU_2018_18_4_a7/}
}