@article{NSJOM_1999_29_3a_22,
     author = {M. 

 Popescu and P. Popescu},
     title = {Projectable nonlinear connections},
     journal = {Novi Sad Journal of Mathematics},
     pages = {249-255},
     publisher = {mathdoc},
     volume = {29},
     number = {3},
     year = {1999},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1999_29_3a_22/}
}