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[1] Perrin R., “Selection rules for the splitting of the degenerate pairs of natural frequencies of thin circular rings”, Acustica, 25:2 (1971), 69–72
[2] Tom R., Levin G., Osobennosti differentsiruemykh otobrazhenii, Mir, M., 1968 | MR
[3] Landau L.D., Lifshits E.M., Kvantovaya mekhanika, Fizmatgiz, M., 1963
[4] Arnold V.I., “Osobennosti gladkikh otobrazhenii”, UMN, XXIII:1 (1968), 3–44
[5] Thom R., Les symétries brisées en physique macroscopique et la mécanique quantique, Publ. IHES, 1970
[6] Keller J.B., Rubinow S.I., “Asymptotic solution of eigenvalue problems”, Ann. Phys., 9:1 (1960), 24–75 | DOI | Zbl
[7] Baz A.I., Zeldovich Ya.V., Perelomov A.M., Rasseyanie, reaktsii i raspady v nerelyativistskoi kvantovoi mekhanike, Nauka, M., 1971 | Zbl
[8] Babich V.M., Buldyrev V.S., Lazutkin V.F., “Prilozhenie metodov matematicheskoi teorii difraktsii k probleme asimptotiki sobstvennykh chisel i funktsii operatora Laplasa”, Differentsialnye uravneniya s chastnymi proizvodnymi, SO AN SSSR, M., 1970
[9] Bykov V.P., Vainshtein L.A., Elektronika bolshikh moschnostei, Sb. 4, Nauka, M., 1965