[1] Dieudonné, J.:
Treatise on analysis, Vol. III. Pure and Applied Mathematics 10-III (1972), Academic Press, New York – London.
MR 0350769
[2] Luna, D.:
Fonctions différentiables invariantes sous l’operation d’un groupe réductif. Ann. Inst. Fourier 26 (1976), 33–49.
MR 0423398 |
Zbl 0315.20039
[3] Kolář, I., Michor, P. W., Slovák, J.:
Natural Operations in Differential Geometry. Springer –Verlag, Berlin, Heidelberg, 1993.
MR 1202431
[4] Krupka, D., Janyška, J.:
Lectures on Differential Invariants. UJEP Brno, 1990.
MR 1108622
[5] Krupka, D.:
Local Invariants of a Linear Connection. Colloquia Mathematica Societatis János Bolyai 31 (1979), 349–369.
MR 0706930