[1] Dekrét A.: On quasijets. Časopis pro pěstování matematiky, Praha, 111, (1986), 345-352. MR 0871712

[2] Goldbillon C.: Geométrie différentielle et méchanique analytique. Paris, 1969.

[3] Janyška J.: Geometrical properties of prolongation functors. Časopis pro pěstování matematiky, Praha, 110 (1985), 77-86. MR 0791280

[4] Janyška J., Kolář I.: Globaly defined smooth homogeneous functions. (in Czech), Lecture Notes, Brno 1983.

[5] Kolář I.: Some natural operations in differential geometry. Proceedings of the conference on differential geometry and its application, J.E. Purkyně University Brno, 1986, 91-110. MR 0923346

[6] Kolář I., Vosmanská G.: Natural operations with second order jets. Rendiconti del Circolo Matematico di Palermo (Suplemento - Proceedings of the 14th Winter School on Abstract Analysis, Srní, 4-18 January 1986), Serie II, n. 14 (1987), 179-186. MR 0920854

[7] Krupka D.: Differential invariants. Lecture Notes, Brno 1979.

[8] Palais R.S., Terng G. L.: Natural bundles have finite order. Topology, vol. 16 (1977), 271-272. MR 0467787 | Zbl 0359.58004

[9] Pradines J.: Fibres vectoriels doubles symétriques et des jets holonomes d' ordre 2. C. R. Acad. Sci. Paris, Ser. A, 278 (1974), 1557-1560. MR 0388433

[10] Vadovičová I.: Nonholonomic jets of second order and their applications. Thesis, VŠDS Žilina.