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[1] Leiko S.G., “Variatsionnye zadachi dlya funktsionalov povorota i spin-otobrazheniya psevdorimanovykh prostranstv”, Izv. vuzov. Matematika, 1990, no. 10, 9–17 | MR | Zbl
[2] Leiko S.G., “Ekstremali funktsionalov povorota krivykh psevdorimanova prostranstva i traektorii spin-chastits v gravitatsionnykh polyakh”, Dokl. RAN, 325:4 (1992), 659–663
[3] Ostrogradskii M.V., “Memuar o differentsialnykh uravneniyakh, otnosyaschikhsya k izoperimetricheskoi zadache”, Polnoe sobranie trudov, t. 2, Izd-vo AN USSR, Kiev, 1961, 139–233
[4] Nesterenko V.V., “Formalizm Ostrogradskogo dlya singulyarnykh lagranzhianov s vysshimi proizvodnymi”, Mykhailo Ostrohrads'kyi. Honoring his bicentenary, Institute of Mathematics, Kyiv, 2001, 82–99
[5] Griffits F., Vneshnie differentsialnye sistemy i variatsionnoe ischislenie, Mir, M., 1986, 360 pp. | MR
[6] Norden A.P., Prostranstva affinnoi svyaznosti, Nauka, M., 1976, 432 pp. | MR
[7] Rashevskii P.K., Rimanova geometriya i tenzornyi analiz, Nauka, M., 1967, 664 pp. | MR
[8] Leiko S.G., Rimanova geometriya. Navchalnii posibnik, Astroprint, Odesa, 1999, 211 pp.
[9] Kosha A., Variatsionnoe ischislenie, Vyssh. shkola, M., 1983, 279 pp. | Zbl
[10] Leiko S.G., Mosyandz V.A., “Ekstremali povorota 2-go poryadka v rimanovom prostranstve i traektorii spin-chastits v gravitatsionnom pole”, Gravitatsiya i teoriya otnositelnosti, 29, Izd-vo Kazansk. un-ta, Kazan, 1992, 72–80
[11] Leiko S.G., “Izoperimetricheskie ekstremali povorota na poverkhnostyakh v evklidovom prostranstve $E^3$”, Izv. vuzov. Matematika, 1996, no. 6, 25–32 | MR | Zbl
[12] Blyashke V.V., Vvedenie v differentsialnuyu geometriyu, Nauka, M., 1973, 440 pp.
[13] Blyashke V.V., Differentsialnaya geometriya, ONTI–NKTP SSSR, M.–L., 1935, 332 pp.
[14] Nagy P., “On the tangent sphere bundle of Riemannian 2-manifolds”, Tohoku Mat. J., 29 (1977), 203–208 | DOI | MR | Zbl
[15] Leiko S.G., “O geodezicheskom potoke na sfericheskom kasatelnom rassloenii dvumernogo mnogoobraziya s metrikoi Sasaki”, Izv. vuzov. Matematika, 2001, no. 3, 33–38 | MR | Zbl
[16] Leiko S.G., “Mekhanicheskaya interpretatsiya izoperimetricheskikh ekstremalei povorota na poverkhnostyakh”, Visnik Odesk. derzh. un-tu, 4:4 (1999), 79–82 | Zbl