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@article{MZM_1993_54_6_a1, author = {R. R. Gadyl'shin}, title = {Characteristic frequencies of bodies with thin {spikes.~I.} {Convergence} and estimates}, journal = {Matemati\v{c}eskie zametki}, pages = {10--21}, publisher = {mathdoc}, volume = {54}, number = {6}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1993_54_6_a1/} }
R. R. Gadyl'shin. Characteristic frequencies of bodies with thin spikes.~I. Convergence and estimates. Matematičeskie zametki, Tome 54 (1993) no. 6, pp. 10-21. http://geodesic.mathdoc.fr/item/MZM_1993_54_6_a1/