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[2] Kolář I.: Ordeг of holonomy of a surface with projective connection. Časopis Pěst. Mat., 96, 73-80 (1971). MR 0286026

[3] Kolář I.: On the torsion of spaces with connection. Czechoslovak Math. J., 21 (96), 124-136 (1971). MR 0293531

[4] Kolář I.: Higheг ordeг torsions of spaces with Cartan connection. Cahiers Topologie Géom. Différentielle, 12, 137-146 (1971). MR 0315619

[5] Kolář I.: On the contact of spaces with connection. to appear in J. Differential Geometry. MR 0415660

[6] Kolář I.: On the prolongations of geometric object fields. An. Sti. Univ. "Al. I. Cuza" Iaşi, 17,437-446 (1971). MR 0305278

[7] Kolář I.: On the absolute differentiation of geometric object fields. to appear in Ann. Polon. Math. MR 0326593 | Zbl 0251.53028

[8] Kolář I.: On manifolds with connection. to appear in Czechoslovak Math. J. MR 0315620 | Zbl 0258.53030

[9] Švec A.: Cartan's method of specialization of frames. Czechoslovak Math. J., 16 (91), 552-599 (1966). MR 0229172 | Zbl 0156.20601