Berezovskii, V.E.; Mikes, J.
Almost geodesic mappings of spaces with affine connection. (English. Russian original) Zbl 1320.53020
J. Math. Sci., New York 207, No. 3, Article ID 2378, 389-409 (2015); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 126 (2013).

URL:

http://link.springer.com/article/10.1007%2Fs10958-015-2378-5