@article{10_21136_CMJ_1985_102000,
     author = {Jany\v{s}ka, Josef},
     title = {On natural operations with linear connections},
     journal = {Czechoslovak Mathematical Journal},
     pages = {106--115},
     publisher = {mathdoc},
     volume = {35},
     number = {1},
     year = {1985},
     doi = {10.21136/CMJ.1985.102000},
     mrnumber = {779339},
     zbl = {0594.53029},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1985.102000/}
}