@article{AUM_2017_71_1_a6,
     author = {Kurek, Jan and Mikulski, W{\l}odzimierz M.},
     title = {The natural operators of general affine connections into general affine connections},
     journal = {Annales Universitatis Mariae Curie-Sk{\l}odowska. Mathematica },
     publisher = {mathdoc},
     volume = {71},
     number = {1},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUM_2017_71_1_a6/}
}